Home / 392,279,831.16-541,346,141.34-227,363,060.76

Finding the Fourth Proportional to 392,279,831.16, 541,346,141.34 and 227,363,060.76

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Solution

The fourth proportional to 392,279,831.16, 541,346,141.34 and 227,363,060.76 is: 313,761,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,831.16 : 541,346,141.34 = 227,363,060.76 : x
  2. Step 2: Convert to fraction form
    392,279,831.16/541,346,141.34 = 227,363,060.76/x
  3. Step 3: Cross multiply
    392,279,831.16x = 541,346,141.34 × 227,363,060.76
  4. Step 4: Simplify right side
    392,279,831.16x = 123,082,115,625,677,968
  5. Step 5: Solve for x
    x = 123,082,115,625,677,968/392,279,831.16
  6. Step 6: Final answer
    x = 313,761,008.98

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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.