Home / 396,522,414.72-547,215,700.07-237,778,382.76

Finding the Fourth Proportional to 396,522,414.72, 547,215,700.07 and 237,778,382.76

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Solution

The fourth proportional to 396,522,414.72, 547,215,700.07 and 237,778,382.76 is: 328,143,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,414.72 : 547,215,700.07 = 237,778,382.76 : x
  2. Step 2: Convert to fraction form
    396,522,414.72/547,215,700.07 = 237,778,382.76/x
  3. Step 3: Cross multiply
    396,522,414.72x = 547,215,700.07 × 237,778,382.76
  4. Step 4: Simplify right side
    396,522,414.72x = 130,116,064,180,724,736
  5. Step 5: Solve for x
    x = 130,116,064,180,724,736/396,522,414.72
  6. Step 6: Final answer
    x = 328,143,023.83

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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.