Home / 440,132,744.80-660,199,117.20-310,992,581.80

Finding the Fourth Proportional to 440,132,744.80, 660,199,117.20 and 310,992,581.80

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Solution

The fourth proportional to 440,132,744.80, 660,199,117.20 and 310,992,581.80 is: 466,488,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,132,744.80 : 660,199,117.20 = 310,992,581.80 : x
  2. Step 2: Convert to fraction form
    440,132,744.80/660,199,117.20 = 310,992,581.80/x
  3. Step 3: Cross multiply
    440,132,744.80x = 660,199,117.20 × 310,992,581.80
  4. Step 4: Simplify right side
    440,132,744.80x = 205,317,027,960,108,800
  5. Step 5: Solve for x
    x = 205,317,027,960,108,800/440,132,744.80
  6. Step 6: Final answer
    x = 466,488,872.70

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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.