Home / 746,865,546.20-1,120,298,319.30-402,491,778.20

Finding the Fourth Proportional to 746,865,546.20, 1,120,298,319.30 and 402,491,778.20

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Solution

The fourth proportional to 746,865,546.20, 1,120,298,319.30 and 402,491,778.20 is: 603,737,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,865,546.20 : 1,120,298,319.30 = 402,491,778.20 : x
  2. Step 2: Convert to fraction form
    746,865,546.20/1,120,298,319.30 = 402,491,778.20/x
  3. Step 3: Cross multiply
    746,865,546.20x = 1,120,298,319.30 × 402,491,778.20
  4. Step 4: Simplify right side
    746,865,546.20x = 450,910,862,649,528,320
  5. Step 5: Solve for x
    x = 450,910,862,649,528,320/746,865,546.20
  6. Step 6: Final answer
    x = 603,737,667.30

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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.