Home / 392,001,709.96-588,008,799.96-218,229,249.58

Finding the Fourth Proportional to 392,001,709.96, 588,008,799.96 and 218,229,249.58

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Solution

The fourth proportional to 392,001,709.96, 588,008,799.96 and 218,229,249.58 is: 327,347,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,001,709.96 : 588,008,799.96 = 218,229,249.58 : x
  2. Step 2: Convert to fraction form
    392,001,709.96/588,008,799.96 = 218,229,249.58/x
  3. Step 3: Cross multiply
    392,001,709.96x = 588,008,799.96 × 218,229,249.58
  4. Step 4: Simplify right side
    392,001,709.96x = 128,320,719,161,707,152
  5. Step 5: Solve for x
    x = 128,320,719,161,707,152/392,001,709.96
  6. Step 6: Final answer
    x = 327,347,345.44

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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.