Finding the Fourth Proportional to 1,381,404,682.68, 2,071,884,482.89 and 385,451,476.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381,404,682.68 : 2,071,884,482.89 = 385,451,476.48 : x
2. Step 2: Convert to fraction form
   1,381,404,682.68/2,071,884,482.89 = 385,451,476.48/x
3. Step 3: Cross multiply
   1,381,404,682.68x = 2,071,884,482.89 × 385,451,476.48
4. Step 4: Simplify right side
   1,381,404,682.68x = 798,610,933,025,951,872
5. Step 5: Solve for x
   x = 798,610,933,025,951,872/1,381,404,682.68
6. Step 6: Final answer
   x = 578,115,119.37