Home / 577,470,608.20-866,205,912.30-513,981,123.40

Finding the Fourth Proportional to 577,470,608.20, 866,205,912.30 and 513,981,123.40

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Solution

The fourth proportional to 577,470,608.20, 866,205,912.30 and 513,981,123.40 is: 770,971,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,470,608.20 : 866,205,912.30 = 513,981,123.40 : x
  2. Step 2: Convert to fraction form
    577,470,608.20/866,205,912.30 = 513,981,123.40/x
  3. Step 3: Cross multiply
    577,470,608.20x = 866,205,912.30 × 513,981,123.40
  4. Step 4: Simplify right side
    577,470,608.20x = 445,213,487,899,675,840
  5. Step 5: Solve for x
    x = 445,213,487,899,675,840/577,470,608.20
  6. Step 6: Final answer
    x = 770,971,685.10

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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.