Home / 392,279,816.16-541,346,120.64-227,363,045.76

Finding the Fourth Proportional to 392,279,816.16, 541,346,120.64 and 227,363,045.76

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Solution

The fourth proportional to 392,279,816.16, 541,346,120.64 and 227,363,045.76 is: 313,760,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,816.16 : 541,346,120.64 = 227,363,045.76 : x
  2. Step 2: Convert to fraction form
    392,279,816.16/541,346,120.64 = 227,363,045.76/x
  3. Step 3: Cross multiply
    392,279,816.16x = 541,346,120.64 × 227,363,045.76
  4. Step 4: Simplify right side
    392,279,816.16x = 123,082,102,799,070,800
  5. Step 5: Solve for x
    x = 123,082,102,799,070,800/392,279,816.16
  6. Step 6: Final answer
    x = 313,760,988.28

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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.