Home / 865,380,500.38-1,194,226,140.28-468,903,183.29

Finding the Fourth Proportional to 865,380,500.38, 1,194,226,140.28 and 468,903,183.29

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Solution

The fourth proportional to 865,380,500.38, 1,194,226,140.28 and 468,903,183.29 is: 647,086,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,380,500.38 : 1,194,226,140.28 = 468,903,183.29 : x
  2. Step 2: Convert to fraction form
    865,380,500.38/1,194,226,140.28 = 468,903,183.29/x
  3. Step 3: Cross multiply
    865,380,500.38x = 1,194,226,140.28 × 468,903,183.29
  4. Step 4: Simplify right side
    865,380,500.38x = 559,976,438,739,451,008
  5. Step 5: Solve for x
    x = 559,976,438,739,451,008/865,380,500.38
  6. Step 6: Final answer
    x = 647,086,961.74

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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.