20 is what percent of 253000000 - 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 253000000 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 100% equals 253000000, so we can write it down as 100%=253000000.
4. We know, that x% equals 20 of the output value, so we can write it down as x%=20.
5. Now we have two simple equations:
1) 100%=253000000
2) x%=20
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:
100%/x%=253000000/20
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 20 is what percent of 253000000

100%/x%=253000000/20
(100/x)*x=(253000000/20)*x       - we multiply both sides of the equation by x
100=12650000*x       - we divide both sides of the equation by (12650000) to get x
100/12650000=x
7.9051383399209E-6=x
x=7.9051383399209E-6

now we have:
20 is 7.9051383399209E-6% of 253000000