Home / 644,458,244.20-966,687,366.30-579,960,989.80

Finding the Fourth Proportional to 644,458,244.20, 966,687,366.30 and 579,960,989.80

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Solution

The fourth proportional to 644,458,244.20, 966,687,366.30 and 579,960,989.80 is: 869,941,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,458,244.20 : 966,687,366.30 = 579,960,989.80 : x
  2. Step 2: Convert to fraction form
    644,458,244.20/966,687,366.30 = 579,960,989.80/x
  3. Step 3: Cross multiply
    644,458,244.20x = 966,687,366.30 × 579,960,989.80
  4. Step 4: Simplify right side
    644,458,244.20x = 560,640,961,786,503,104
  5. Step 5: Solve for x
    x = 560,640,961,786,503,104/644,458,244.20
  6. Step 6: Final answer
    x = 869,941,484.70

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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.