Finding the Fourth Proportional to 1,499,914,450.67, 2,070,599,695.34 and 998,956,906.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,914,450.67 : 2,070,599,695.34 = 998,956,906.43 : x
2. Step 2: Convert to fraction form
   1,499,914,450.67/2,070,599,695.34 = 998,956,906.43/x
3. Step 3: Cross multiply
   1,499,914,450.67x = 2,070,599,695.34 × 998,956,906.43
4. Step 4: Simplify right side
   1,499,914,450.67x = 2,068,439,866,096,399,104
5. Step 5: Solve for x
   x = 2,068,439,866,096,399,104/1,499,914,450.67
6. Step 6: Final answer
   x = 1,379,038,561.29