Home / 746,987,136.40-1,120,480,704.60-488,998,118.80

Finding the Fourth Proportional to 746,987,136.40, 1,120,480,704.60 and 488,998,118.80

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Solution

The fourth proportional to 746,987,136.40, 1,120,480,704.60 and 488,998,118.80 is: 733,497,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,987,136.40 : 1,120,480,704.60 = 488,998,118.80 : x
  2. Step 2: Convert to fraction form
    746,987,136.40/1,120,480,704.60 = 488,998,118.80/x
  3. Step 3: Cross multiply
    746,987,136.40x = 1,120,480,704.60 × 488,998,118.80
  4. Step 4: Simplify right side
    746,987,136.40x = 547,912,956,701,098,496
  5. Step 5: Solve for x
    x = 547,912,956,701,098,496/746,987,136.40
  6. Step 6: Final answer
    x = 733,497,178.20

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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.