Home / 754,010,428.32-1,040,543,966.97-414,957,940.92

Finding the Fourth Proportional to 754,010,428.32, 1,040,543,966.97 and 414,957,940.92

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Solution

The fourth proportional to 754,010,428.32, 1,040,543,966.97 and 414,957,940.92 is: 572,647,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,010,428.32 : 1,040,543,966.97 = 414,957,940.92 : x
  2. Step 2: Convert to fraction form
    754,010,428.32/1,040,543,966.97 = 414,957,940.92/x
  3. Step 3: Cross multiply
    754,010,428.32x = 1,040,543,966.97 × 414,957,940.92
  4. Step 4: Simplify right side
    754,010,428.32x = 431,781,981,970,599,744
  5. Step 5: Solve for x
    x = 431,781,981,970,599,744/754,010,428.32
  6. Step 6: Final answer
    x = 572,647,228.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.