Step 1:
The first step to converting 472289436.63508 to a fraction is to re-write 472289436.63508 in the form p/q where p and q are both positive integers. To start with, 472289436.63508 can be written as simply 472289436.63508/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 472289436.63508, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 472289436.63508/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 472289436.63508/1 each by 100000:
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 472289436.63508 as a fraction:
472289436/1 / 1