Step 1:
The first step to converting 4031178125.9958 to a fraction is to re-write 4031178125.9958 in the form p/q where p and q are both positive integers. To start with, 4031178125.9958 can be written as simply 4031178125.9958/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 4031178125.9958, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 4031178125.9958/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 4031178125.9958/1 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 4031178125.9958 as a fraction:
4031178125/1 / 1