Home / 396,925,052.92-547,825,134.40-229,753,487.65

Finding the Fourth Proportional to 396,925,052.92, 547,825,134.40 and 229,753,487.65

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Solution

The fourth proportional to 396,925,052.92, 547,825,134.40 and 229,753,487.65 is: 317,099,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,925,052.92 : 547,825,134.40 = 229,753,487.65 : x
  2. Step 2: Convert to fraction form
    396,925,052.92/547,825,134.40 = 229,753,487.65/x
  3. Step 3: Cross multiply
    396,925,052.92x = 547,825,134.40 × 229,753,487.65
  4. Step 4: Simplify right side
    396,925,052.92x = 125,864,735,250,019,968
  5. Step 5: Solve for x
    x = 125,864,735,250,019,968/396,925,052.92
  6. Step 6: Final answer
    x = 317,099,498.57

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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.