Home / 3,687,192,780.90-5,530,789,171.35-3,625,970,777.70

Finding the Fourth Proportional to 3,687,192,780.90, 5,530,789,171.35 and 3,625,970,777.70

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Solution

The fourth proportional to 3,687,192,780.90, 5,530,789,171.35 and 3,625,970,777.70 is: 5,438,956,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,192,780.90 : 5,530,789,171.35 = 3,625,970,777.70 : x
  2. Step 2: Convert to fraction form
    3,687,192,780.90/5,530,789,171.35 = 3,625,970,777.70/x
  3. Step 3: Cross multiply
    3,687,192,780.90x = 5,530,789,171.35 × 3,625,970,777.70
  4. Step 4: Simplify right side
    3,687,192,780.90x = 20,054,479,912,934,699,008
  5. Step 5: Solve for x
    x = 20,054,479,912,934,699,008/3,687,192,780.90
  6. Step 6: Final answer
    x = 5,438,956,166.55

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Double scale
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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.