Step 1:
The first step to converting 172275010.6459 to a fraction is to re-write 172275010.6459 in the form p/q where p and q are both positive integers. To start with, 172275010.6459 can be written as simply 172275010.6459/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 172275010.6459, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 172275010.6459/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 172275010.6459/1 each by 10000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 172275010.6459 as a fraction:
172275010/1 / 1