Home / 440,125,932.80-660,188,899.20-310,985,769.80

Finding the Fourth Proportional to 440,125,932.80, 660,188,899.20 and 310,985,769.80

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Solution

The fourth proportional to 440,125,932.80, 660,188,899.20 and 310,985,769.80 is: 466,478,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,125,932.80 : 660,188,899.20 = 310,985,769.80 : x
  2. Step 2: Convert to fraction form
    440,125,932.80/660,188,899.20 = 310,985,769.80/x
  3. Step 3: Cross multiply
    440,125,932.80x = 660,188,899.20 × 310,985,769.80
  4. Step 4: Simplify right side
    440,125,932.80x = 205,309,353,031,126,624
  5. Step 5: Solve for x
    x = 205,309,353,031,126,624/440,125,932.80
  6. Step 6: Final answer
    x = 466,478,654.70

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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.