Home / 396,925,053.92-547,825,135.78-229,753,488.65

Finding the Fourth Proportional to 396,925,053.92, 547,825,135.78 and 229,753,488.65

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Solution

The fourth proportional to 396,925,053.92, 547,825,135.78 and 229,753,488.65 is: 317,099,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,925,053.92 : 547,825,135.78 = 229,753,488.65 : x
  2. Step 2: Convert to fraction form
    396,925,053.92/547,825,135.78 = 229,753,488.65/x
  3. Step 3: Cross multiply
    396,925,053.92x = 547,825,135.78 × 229,753,488.65
  4. Step 4: Simplify right side
    396,925,053.92x = 125,864,736,115,614,928
  5. Step 5: Solve for x
    x = 125,864,736,115,614,928/396,925,053.92
  6. Step 6: Final answer
    x = 317,099,499.95

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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.