Home / 378,676,723.08-568,364,253.31-192,061,638.94

Finding the Fourth Proportional to 378,676,723.08, 568,364,253.31 and 192,061,638.94

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Solution

The fourth proportional to 378,676,723.08, 568,364,253.31 and 192,061,638.94 is: 288,269,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,676,723.08 : 568,364,253.31 = 192,061,638.94 : x
  2. Step 2: Convert to fraction form
    378,676,723.08/568,364,253.31 = 192,061,638.94/x
  3. Step 3: Cross multiply
    378,676,723.08x = 568,364,253.31 × 192,061,638.94
  4. Step 4: Simplify right side
    378,676,723.08x = 109,160,970,006,088,512
  5. Step 5: Solve for x
    x = 109,160,970,006,088,512/378,676,723.08
  6. Step 6: Final answer
    x = 288,269,553.82

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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.