Home / 392,001,708.96-588,008,798.46-218,229,248.58

Finding the Fourth Proportional to 392,001,708.96, 588,008,798.46 and 218,229,248.58

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Solution

The fourth proportional to 392,001,708.96, 588,008,798.46 and 218,229,248.58 is: 327,347,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,001,708.96 : 588,008,798.46 = 218,229,248.58 : x
  2. Step 2: Convert to fraction form
    392,001,708.96/588,008,798.46 = 218,229,248.58/x
  3. Step 3: Cross multiply
    392,001,708.96x = 588,008,798.46 × 218,229,248.58
  4. Step 4: Simplify right side
    392,001,708.96x = 128,320,718,246,354,480
  5. Step 5: Solve for x
    x = 128,320,718,246,354,480/392,001,708.96
  6. Step 6: Final answer
    x = 327,347,343.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.