Home / 432,942,508.13-649,522,043.01-126,234,621

Finding the Fourth Proportional to 432,942,508.13, 649,522,043.01 and 126,234,621

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Solution

The fourth proportional to 432,942,508.13, 649,522,043.01 and 126,234,621 is: 189,383,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,942,508.13 : 649,522,043.01 = 126,234,621 : x
  2. Step 2: Convert to fraction form
    432,942,508.13/649,522,043.01 = 126,234,621/x
  3. Step 3: Cross multiply
    432,942,508.13x = 649,522,043.01 × 126,234,621
  4. Step 4: Simplify right side
    432,942,508.13x = 81,992,168,930,513,056
  5. Step 5: Solve for x
    x = 81,992,168,930,513,056/432,942,508.13
  6. Step 6: Final answer
    x = 189,383,503.33

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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.