Home / 515,038,721.70-772,558,082.55-494,950,251.90

Finding the Fourth Proportional to 515,038,721.70, 772,558,082.55 and 494,950,251.90

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Solution

The fourth proportional to 515,038,721.70, 772,558,082.55 and 494,950,251.90 is: 742,425,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,038,721.70 : 772,558,082.55 = 494,950,251.90 : x
  2. Step 2: Convert to fraction form
    515,038,721.70/772,558,082.55 = 494,950,251.90/x
  3. Step 3: Cross multiply
    515,038,721.70x = 772,558,082.55 × 494,950,251.90
  4. Step 4: Simplify right side
    515,038,721.70x = 382,377,817,565,503,424
  5. Step 5: Solve for x
    x = 382,377,817,565,503,424/515,038,721.70
  6. Step 6: Final answer
    x = 742,425,377.85

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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.