Home / 437,697,772.74-656,545,849.60-142,592,540.27

Finding the Fourth Proportional to 437,697,772.74, 656,545,849.60 and 142,592,540.27

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Solution

The fourth proportional to 437,697,772.74, 656,545,849.60 and 142,592,540.27 is: 213,888,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,697,772.74 : 656,545,849.60 = 142,592,540.27 : x
  2. Step 2: Convert to fraction form
    437,697,772.74/656,545,849.60 = 142,592,540.27/x
  3. Step 3: Cross multiply
    437,697,772.74x = 656,545,849.60 × 142,592,540.27
  4. Step 4: Simplify right side
    437,697,772.74x = 93,618,540,498,189,376
  5. Step 5: Solve for x
    x = 93,618,540,498,189,376/437,697,772.74
  6. Step 6: Final answer
    x = 213,888,546.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.