Home / 755,282,872.47-1,034,741,226.57-726,975,077.79

Finding the Fourth Proportional to 755,282,872.47, 1,034,741,226.57 and 726,975,077.79

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Solution

The fourth proportional to 755,282,872.47, 1,034,741,226.57 and 726,975,077.79 is: 995,959,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,282,872.47 : 1,034,741,226.57 = 726,975,077.79 : x
  2. Step 2: Convert to fraction form
    755,282,872.47/1,034,741,226.57 = 726,975,077.79/x
  3. Step 3: Cross multiply
    755,282,872.47x = 1,034,741,226.57 × 726,975,077.79
  4. Step 4: Simplify right side
    755,282,872.47x = 752,231,083,678,245,760
  5. Step 5: Solve for x
    x = 752,231,083,678,245,760/755,282,872.47
  6. Step 6: Final answer
    x = 995,959,409.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.