Home / 1,279,173,732.52-1,765,227,229.35-714,662,854.42

Finding the Fourth Proportional to 1,279,173,732.52, 1,765,227,229.35 and 714,662,854.42

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Solution

The fourth proportional to 1,279,173,732.52, 1,765,227,229.35 and 714,662,854.42 is: 986,216,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,173,732.52 : 1,765,227,229.35 = 714,662,854.42 : x
  2. Step 2: Convert to fraction form
    1,279,173,732.52/1,765,227,229.35 = 714,662,854.42/x
  3. Step 3: Cross multiply
    1,279,173,732.52x = 1,765,227,229.35 × 714,662,854.42
  4. Step 4: Simplify right side
    1,279,173,732.52x = 1,261,542,330,427,178,752
  5. Step 5: Solve for x
    x = 1,261,542,330,427,178,752/1,279,173,732.52
  6. Step 6: Final answer
    x = 986,216,569.61

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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.