Home / 1,331,921,467.50-1,998,571,083.60-966,469,422.66

Finding the Fourth Proportional to 1,331,921,467.50, 1,998,571,083.60 and 966,469,422.66

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Solution

The fourth proportional to 1,331,921,467.50, 1,998,571,083.60 and 966,469,422.66 is: 1,450,204,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,921,467.50 : 1,998,571,083.60 = 966,469,422.66 : x
  2. Step 2: Convert to fraction form
    1,331,921,467.50/1,998,571,083.60 = 966,469,422.66/x
  3. Step 3: Cross multiply
    1,331,921,467.50x = 1,998,571,083.60 × 966,469,422.66
  4. Step 4: Simplify right side
    1,331,921,467.50x = 1,931,557,841,311,862,528
  5. Step 5: Solve for x
    x = 1,931,557,841,311,862,528/1,331,921,467.50
  6. Step 6: Final answer
    x = 1,450,204,001.09

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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.