Home / 328,875,814.62-493,152,296.46-162,687,306.17

Finding the Fourth Proportional to 328,875,814.62, 493,152,296.46 and 162,687,306.17

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Solution

The fourth proportional to 328,875,814.62, 493,152,296.46 and 162,687,306.17 is: 243,951,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,875,814.62 : 493,152,296.46 = 162,687,306.17 : x
  2. Step 2: Convert to fraction form
    328,875,814.62/493,152,296.46 = 162,687,306.17/x
  3. Step 3: Cross multiply
    328,875,814.62x = 493,152,296.46 × 162,687,306.17
  4. Step 4: Simplify right side
    328,875,814.62x = 80,229,618,640,160,864
  5. Step 5: Solve for x
    x = 80,229,618,640,160,864/328,875,814.62
  6. Step 6: Final answer
    x = 243,951,105.78

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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.