Step 1:
The first step to converting 319228.5386907 to a fraction is to re-write 319228.5386907 in the form p/q where p and q are both positive integers. To start with, 319228.5386907 can be written as simply 319228.5386907/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 319228.5386907, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 319228.5386907/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 319228.5386907/1 each by 10000000:
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 319228.5386907 as a fraction:
638457/2 / 1