Home / 726,178,321.62-1,001,989,027.17-432,850,183.38

Finding the Fourth Proportional to 726,178,321.62, 1,001,989,027.17 and 432,850,183.38

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Solution

The fourth proportional to 726,178,321.62, 1,001,989,027.17 and 432,850,183.38 is: 597,251,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,178,321.62 : 1,001,989,027.17 = 432,850,183.38 : x
  2. Step 2: Convert to fraction form
    726,178,321.62/1,001,989,027.17 = 432,850,183.38/x
  3. Step 3: Cross multiply
    726,178,321.62x = 1,001,989,027.17 × 432,850,183.38
  4. Step 4: Simplify right side
    726,178,321.62x = 433,711,134,155,282,304
  5. Step 5: Solve for x
    x = 433,711,134,155,282,304/726,178,321.62
  6. Step 6: Final answer
    x = 597,251,558.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.