Home / 392,279,817.16-541,346,122.02-227,363,046.76

Finding the Fourth Proportional to 392,279,817.16, 541,346,122.02 and 227,363,046.76

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Solution

The fourth proportional to 392,279,817.16, 541,346,122.02 and 227,363,046.76 is: 313,760,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,817.16 : 541,346,122.02 = 227,363,046.76 : x
  2. Step 2: Convert to fraction form
    392,279,817.16/541,346,122.02 = 227,363,046.76/x
  3. Step 3: Cross multiply
    392,279,817.16x = 541,346,122.02 × 227,363,046.76
  4. Step 4: Simplify right side
    392,279,817.16x = 123,082,103,654,177,920
  5. Step 5: Solve for x
    x = 123,082,103,654,177,920/392,279,817.16
  6. Step 6: Final answer
    x = 313,760,989.66

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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.