Home / 392,279,816.66-541,346,121.33-227,363,046.26

Finding the Fourth Proportional to 392,279,816.66, 541,346,121.33 and 227,363,046.26

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Solution

The fourth proportional to 392,279,816.66, 541,346,121.33 and 227,363,046.26 is: 313,760,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,816.66 : 541,346,121.33 = 227,363,046.26 : x
  2. Step 2: Convert to fraction form
    392,279,816.66/541,346,121.33 = 227,363,046.26/x
  3. Step 3: Cross multiply
    392,279,816.66x = 541,346,121.33 × 227,363,046.26
  4. Step 4: Simplify right side
    392,279,816.66x = 123,082,103,226,624,368
  5. Step 5: Solve for x
    x = 123,082,103,226,624,368/392,279,816.66
  6. Step 6: Final answer
    x = 313,760,988.97

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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.