Home / 392,279,924.16-541,346,269.68-227,363,153.04

Finding the Fourth Proportional to 392,279,924.16, 541,346,269.68 and 227,363,153.04

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Solution

The fourth proportional to 392,279,924.16, 541,346,269.68 and 227,363,153.04 is: 313,761,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,924.16 : 541,346,269.68 = 227,363,153.04 : x
  2. Step 2: Convert to fraction form
    392,279,924.16/541,346,269.68 = 227,363,153.04/x
  3. Step 3: Cross multiply
    392,279,924.16x = 541,346,269.68 × 227,363,153.04
  4. Step 4: Simplify right side
    392,279,924.16x = 123,082,194,760,886,928
  5. Step 5: Solve for x
    x = 123,082,194,760,886,928/392,279,924.16
  6. Step 6: Final answer
    x = 313,761,136.32

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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.