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Finding the Fourth Proportional to 472,535,999.60, 708,803,999.40 and 449,861,183.60

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Solution

The fourth proportional to 472,535,999.60, 708,803,999.40 and 449,861,183.60 is: 674,791,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,535,999.60 : 708,803,999.40 = 449,861,183.60 : x
  2. Step 2: Convert to fraction form
    472,535,999.60/708,803,999.40 = 449,861,183.60/x
  3. Step 3: Cross multiply
    472,535,999.60x = 708,803,999.40 × 449,861,183.60
  4. Step 4: Simplify right side
    472,535,999.60x = 318,863,406,110,497,728
  5. Step 5: Solve for x
    x = 318,863,406,110,497,728/472,535,999.60
  6. Step 6: Final answer
    x = 674,791,775.40

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