Home / 1,279,173,732.27-1,765,227,229.01-714,662,854.17

Finding the Fourth Proportional to 1,279,173,732.27, 1,765,227,229.01 and 714,662,854.17

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Solution

The fourth proportional to 1,279,173,732.27, 1,765,227,229.01 and 714,662,854.17 is: 986,216,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,173,732.27 : 1,765,227,229.01 = 714,662,854.17 : x
  2. Step 2: Convert to fraction form
    1,279,173,732.27/1,765,227,229.01 = 714,662,854.17/x
  3. Step 3: Cross multiply
    1,279,173,732.27x = 1,765,227,229.01 × 714,662,854.17
  4. Step 4: Simplify right side
    1,279,173,732.27x = 1,261,542,329,739,313,408
  5. Step 5: Solve for x
    x = 1,261,542,329,739,313,408/1,279,173,732.27
  6. Step 6: Final answer
    x = 986,216,569.27

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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.