Finding the Fourth Proportional to 990,085,123.48, 1,485,127,960.41 and 368,219,103.83

Step by Step Solution

1. Step 1: Write the proportion equation
   990,085,123.48 : 1,485,127,960.41 = 368,219,103.83 : x
2. Step 2: Convert to fraction form
   990,085,123.48/1,485,127,960.41 = 368,219,103.83/x
3. Step 3: Cross multiply
   990,085,123.48x = 1,485,127,960.41 × 368,219,103.83
4. Step 4: Simplify right side
   990,085,123.48x = 546,852,486,655,045,952
5. Step 5: Solve for x
   x = 546,852,486,655,045,952/990,085,123.48
6. Step 6: Final answer
   x = 552,328,758.09