Home / 512,498,712.92-707,244,452.10-277,543,922.90

Finding the Fourth Proportional to 512,498,712.92, 707,244,452.10 and 277,543,922.90

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Solution

The fourth proportional to 512,498,712.92, 707,244,452.10 and 277,543,922.90 is: 383,008,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,498,712.92 : 707,244,452.10 = 277,543,922.90 : x
  2. Step 2: Convert to fraction form
    512,498,712.92/707,244,452.10 = 277,543,922.90/x
  3. Step 3: Cross multiply
    512,498,712.92x = 707,244,452.10 × 277,543,922.90
  4. Step 4: Simplify right side
    512,498,712.92x = 196,291,399,681,558,912
  5. Step 5: Solve for x
    x = 196,291,399,681,558,912/512,498,712.92
  6. Step 6: Final answer
    x = 383,008,571.02

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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.