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Finding the Fourth Proportional to 498,351,999.60, 747,527,999.40 and 294,278,655.60

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Solution

The fourth proportional to 498,351,999.60, 747,527,999.40 and 294,278,655.60 is: 441,417,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,351,999.60 : 747,527,999.40 = 294,278,655.60 : x
  2. Step 2: Convert to fraction form
    498,351,999.60/747,527,999.40 = 294,278,655.60/x
  3. Step 3: Cross multiply
    498,351,999.60x = 747,527,999.40 × 294,278,655.60
  4. Step 4: Simplify right side
    498,351,999.60x = 219,981,534,686,789,632
  5. Step 5: Solve for x
    x = 219,981,534,686,789,632/498,351,999.60
  6. Step 6: Final answer
    x = 441,417,983.40

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