Home / 1,286,280,015.40-1,929,420,023.10-796,503,989.80

Finding the Fourth Proportional to 1,286,280,015.40, 1,929,420,023.10 and 796,503,989.80

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Solution

The fourth proportional to 1,286,280,015.40, 1,929,420,023.10 and 796,503,989.80 is: 1,194,755,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,280,015.40 : 1,929,420,023.10 = 796,503,989.80 : x
  2. Step 2: Convert to fraction form
    1,286,280,015.40/1,929,420,023.10 = 796,503,989.80/x
  3. Step 3: Cross multiply
    1,286,280,015.40x = 1,929,420,023.10 × 796,503,989.80
  4. Step 4: Simplify right side
    1,286,280,015.40x = 1,536,790,746,399,158,016
  5. Step 5: Solve for x
    x = 1,536,790,746,399,158,016/1,286,280,015.40
  6. Step 6: Final answer
    x = 1,194,755,984.70

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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.