What is 9.0E+18 percent of 1.0E+38 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 1.0E+38 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 1.0E+38 is 100%, so we can write it down as 1.0E+38=100%.
4. We know, that x is 9.0E+18% of the output value, so we can write it down as x=9.0E+18%.
5. Now we have two simple equations:
1) 1.0E+38=100%
2) x=9.0E+18%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
1.0E+38/x=100%/9.0E+18%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 9.0E+18% of 1.0E+38

1.0E+38/x=100/9.0E+18
(1.0E+38/x)*x=(100/9.0E+18)*x       - we multiply both sides of the equation by x
1.0E+38=1.1111111111111E-17*x       - we divide both sides of the equation by (1.1111111111111E-17) to get x
1.0E+38/1.1111111111111E-17=x
9.0E+54=x
x=9.0E+54

now we have:
9.0E+18% of 1.0E+38=9.0E+54