Home / 2,391,489,013.80-3,587,233,520.70-668,202,997.80

Finding the Fourth Proportional to 2,391,489,013.80, 3,587,233,520.70 and 668,202,997.80

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Solution

The fourth proportional to 2,391,489,013.80, 3,587,233,520.70 and 668,202,997.80 is: 1,002,304,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,489,013.80 : 3,587,233,520.70 = 668,202,997.80 : x
  2. Step 2: Convert to fraction form
    2,391,489,013.80/3,587,233,520.70 = 668,202,997.80/x
  3. Step 3: Cross multiply
    2,391,489,013.80x = 3,587,233,520.70 × 668,202,997.80
  4. Step 4: Simplify right side
    2,391,489,013.80x = 2,397,000,192,340,387,840
  5. Step 5: Solve for x
    x = 2,397,000,192,340,387,840/2,391,489,013.80
  6. Step 6: Final answer
    x = 1,002,304,496.70

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Double scale
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Similar ratio
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1.5x scale

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.