Finding the Fourth Proportional to 3,990,164,494.48, 5,505,513,714.37 and 2,382,307,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990,164,494.48 : 5,505,513,714.37 = 2,382,307,131.52 : x
2. Step 2: Convert to fraction form
   3,990,164,494.48/5,505,513,714.37 = 2,382,307,131.52/x
3. Step 3: Cross multiply
   3,990,164,494.48x = 5,505,513,714.37 × 2,382,307,131.52
4. Step 4: Simplify right side
   3,990,164,494.48x = 13,115,824,584,424,814,592
5. Step 5: Solve for x
   x = 13,115,824,584,424,814,592/3,990,164,494.48
6. Step 6: Final answer
   x = 3,287,038,567.60