Home / 447,868,983.76-616,652,648.59-380,755,882.96

Finding the Fourth Proportional to 447,868,983.76, 616,652,648.59 and 380,755,882.96

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Solution

The fourth proportional to 447,868,983.76, 616,652,648.59 and 380,755,882.96 is: 524,247,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,868,983.76 : 616,652,648.59 = 380,755,882.96 : x
  2. Step 2: Convert to fraction form
    447,868,983.76/616,652,648.59 = 380,755,882.96/x
  3. Step 3: Cross multiply
    447,868,983.76x = 616,652,648.59 × 380,755,882.96
  4. Step 4: Simplify right side
    447,868,983.76x = 234,794,123,688,521,024
  5. Step 5: Solve for x
    x = 234,794,123,688,521,024/447,868,983.76
  6. Step 6: Final answer
    x = 524,247,340.64

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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.