Home / 392,499,749.17-541,675,079.20-225,243,060.29

Finding the Fourth Proportional to 392,499,749.17, 541,675,079.20 and 225,243,060.29

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Solution

The fourth proportional to 392,499,749.17, 541,675,079.20 and 225,243,060.29 is: 310,850,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,499,749.17 : 541,675,079.20 = 225,243,060.29 : x
  2. Step 2: Convert to fraction form
    392,499,749.17/541,675,079.20 = 225,243,060.29/x
  3. Step 3: Cross multiply
    392,499,749.17x = 541,675,079.20 × 225,243,060.29
  4. Step 4: Simplify right side
    392,499,749.17x = 122,008,552,521,836,128
  5. Step 5: Solve for x
    x = 122,008,552,521,836,128/392,499,749.17
  6. Step 6: Final answer
    x = 310,850,013.99

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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.