Home / 773,306,951.28-1,067,187,029.40-420,908,424.18

Finding the Fourth Proportional to 773,306,951.28, 1,067,187,029.40 and 420,908,424.18

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Solution

The fourth proportional to 773,306,951.28, 1,067,187,029.40 and 420,908,424.18 is: 580,866,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,306,951.28 : 1,067,187,029.40 = 420,908,424.18 : x
  2. Step 2: Convert to fraction form
    773,306,951.28/1,067,187,029.40 = 420,908,424.18/x
  3. Step 3: Cross multiply
    773,306,951.28x = 1,067,187,029.40 × 420,908,424.18
  4. Step 4: Simplify right side
    773,306,951.28x = 449,188,010,850,089,344
  5. Step 5: Solve for x
    x = 449,188,010,850,089,344/773,306,951.28
  6. Step 6: Final answer
    x = 580,866,381.85

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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.