Home / 440,132,743.80-660,199,115.70-310,992,580.80

Finding the Fourth Proportional to 440,132,743.80, 660,199,115.70 and 310,992,580.80

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Solution

The fourth proportional to 440,132,743.80, 660,199,115.70 and 310,992,580.80 is: 466,488,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,132,743.80 : 660,199,115.70 = 310,992,580.80 : x
  2. Step 2: Convert to fraction form
    440,132,743.80/660,199,115.70 = 310,992,580.80/x
  3. Step 3: Cross multiply
    440,132,743.80x = 660,199,115.70 × 310,992,580.80
  4. Step 4: Simplify right side
    440,132,743.80x = 205,317,026,833,420,832
  5. Step 5: Solve for x
    x = 205,317,026,833,420,832/440,132,743.80
  6. Step 6: Final answer
    x = 466,488,871.20

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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.