Home / 746,987,137.40-1,120,480,706.10-488,998,119.80

Finding the Fourth Proportional to 746,987,137.40, 1,120,480,706.10 and 488,998,119.80

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Solution

The fourth proportional to 746,987,137.40, 1,120,480,706.10 and 488,998,119.80 is: 733,497,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,987,137.40 : 1,120,480,706.10 = 488,998,119.80 : x
  2. Step 2: Convert to fraction form
    746,987,137.40/1,120,480,706.10 = 488,998,119.80/x
  3. Step 3: Cross multiply
    746,987,137.40x = 1,120,480,706.10 × 488,998,119.80
  4. Step 4: Simplify right side
    746,987,137.40x = 547,912,958,555,076,352
  5. Step 5: Solve for x
    x = 547,912,958,555,076,352/746,987,137.40
  6. Step 6: Final answer
    x = 733,497,179.70

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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.