Home / 2,391,520,887.30-3,587,281,330.95-668,234,871.30

Finding the Fourth Proportional to 2,391,520,887.30, 3,587,281,330.95 and 668,234,871.30

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Solution

The fourth proportional to 2,391,520,887.30, 3,587,281,330.95 and 668,234,871.30 is: 1,002,352,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,520,887.30 : 3,587,281,330.95 = 668,234,871.30 : x
  2. Step 2: Convert to fraction form
    2,391,520,887.30/3,587,281,330.95 = 668,234,871.30/x
  3. Step 3: Cross multiply
    2,391,520,887.30x = 3,587,281,330.95 × 668,234,871.30
  4. Step 4: Simplify right side
    2,391,520,887.30x = 2,397,146,478,504,265,728
  5. Step 5: Solve for x
    x = 2,397,146,478,504,265,728/2,391,520,887.30
  6. Step 6: Final answer
    x = 1,002,352,306.95

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Double scale
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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.