Home / 1,212,961,343.40-1,819,442,015.10-1,165,344,229.80

Finding the Fourth Proportional to 1,212,961,343.40, 1,819,442,015.10 and 1,165,344,229.80

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Solution

The fourth proportional to 1,212,961,343.40, 1,819,442,015.10 and 1,165,344,229.80 is: 1,748,016,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,961,343.40 : 1,819,442,015.10 = 1,165,344,229.80 : x
  2. Step 2: Convert to fraction form
    1,212,961,343.40/1,819,442,015.10 = 1,165,344,229.80/x
  3. Step 3: Cross multiply
    1,212,961,343.40x = 1,819,442,015.10 × 1,165,344,229.80
  4. Step 4: Simplify right side
    1,212,961,343.40x = 2,120,276,253,752,469,248
  5. Step 5: Solve for x
    x = 2,120,276,253,752,469,248/1,212,961,343.40
  6. Step 6: Final answer
    x = 1,748,016,344.70

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Double scale
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Similar ratio
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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.