Home / 1,512,071,769.90-2,268,107,654.85-1,205,961,753.90

Finding the Fourth Proportional to 1,512,071,769.90, 2,268,107,654.85 and 1,205,961,753.90

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Solution

The fourth proportional to 1,512,071,769.90, 2,268,107,654.85 and 1,205,961,753.90 is: 1,808,942,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,071,769.90 : 2,268,107,654.85 = 1,205,961,753.90 : x
  2. Step 2: Convert to fraction form
    1,512,071,769.90/2,268,107,654.85 = 1,205,961,753.90/x
  3. Step 3: Cross multiply
    1,512,071,769.90x = 2,268,107,654.85 × 1,205,961,753.90
  4. Step 4: Simplify right side
    1,512,071,769.90x = 2,735,251,085,476,921,856
  5. Step 5: Solve for x
    x = 2,735,251,085,476,921,856/1,512,071,769.90
  6. Step 6: Final answer
    x = 1,808,942,630.85

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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.