Home / 3,188,654,220.60-4,782,981,330.90-2,680,738,342.20

Finding the Fourth Proportional to 3,188,654,220.60, 4,782,981,330.90 and 2,680,738,342.20

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Solution

The fourth proportional to 3,188,654,220.60, 4,782,981,330.90 and 2,680,738,342.20 is: 4,021,107,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,654,220.60 : 4,782,981,330.90 = 2,680,738,342.20 : x
  2. Step 2: Convert to fraction form
    3,188,654,220.60/4,782,981,330.90 = 2,680,738,342.20/x
  3. Step 3: Cross multiply
    3,188,654,220.60x = 4,782,981,330.90 × 2,680,738,342.20
  4. Step 4: Simplify right side
    3,188,654,220.60x = 12,821,921,443,770,413,056
  5. Step 5: Solve for x
    x = 12,821,921,443,770,413,056/3,188,654,220.60
  6. Step 6: Final answer
    x = 4,021,107,513.30

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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.