Home / 392,291,932.32-541,362,864.48-227,375,160.96

Finding the Fourth Proportional to 392,291,932.32, 541,362,864.48 and 227,375,160.96

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Solution

The fourth proportional to 392,291,932.32, 541,362,864.48 and 227,375,160.96 is: 313,777,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,291,932.32 : 541,362,864.48 = 227,375,160.96 : x
  2. Step 2: Convert to fraction form
    392,291,932.32/541,362,864.48 = 227,375,160.96/x
  3. Step 3: Cross multiply
    392,291,932.32x = 541,362,864.48 × 227,375,160.96
  4. Step 4: Simplify right side
    392,291,932.32x = 123,092,468,448,906,672
  5. Step 5: Solve for x
    x = 123,092,468,448,906,672/392,291,932.32
  6. Step 6: Final answer
    x = 313,777,720.90

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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.