Home / 1,515,960,127.20-2,273,940,190.80-739,205,961.60

Finding the Fourth Proportional to 1,515,960,127.20, 2,273,940,190.80 and 739,205,961.60

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Solution

The fourth proportional to 1,515,960,127.20, 2,273,940,190.80 and 739,205,961.60 is: 1,108,808,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,960,127.20 : 2,273,940,190.80 = 739,205,961.60 : x
  2. Step 2: Convert to fraction form
    1,515,960,127.20/2,273,940,190.80 = 739,205,961.60/x
  3. Step 3: Cross multiply
    1,515,960,127.20x = 2,273,940,190.80 × 739,205,961.60
  4. Step 4: Simplify right side
    1,515,960,127.20x = 1,680,910,145,361,201,664
  5. Step 5: Solve for x
    x = 1,680,910,145,361,201,664/1,515,960,127.20
  6. Step 6: Final answer
    x = 1,108,808,942.40

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Double scale
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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.