Home / 755,981,155.73-1,134,378,287.33-728,464,635.43

Finding the Fourth Proportional to 755,981,155.73, 1,134,378,287.33 and 728,464,635.43

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Solution

The fourth proportional to 755,981,155.73, 1,134,378,287.33 and 728,464,635.43 is: 1,093,088,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,981,155.73 : 1,134,378,287.33 = 728,464,635.43 : x
  2. Step 2: Convert to fraction form
    755,981,155.73/1,134,378,287.33 = 728,464,635.43/x
  3. Step 3: Cross multiply
    755,981,155.73x = 1,134,378,287.33 × 728,464,635.43
  4. Step 4: Simplify right side
    755,981,155.73x = 826,354,465,519,556,096
  5. Step 5: Solve for x
    x = 826,354,465,519,556,096/755,981,155.73
  6. Step 6: Final answer
    x = 1,093,088,708.97

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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.