Home / 758,268,288.30-1,137,402,432.45-656,231,616.30

Finding the Fourth Proportional to 758,268,288.30, 1,137,402,432.45 and 656,231,616.30

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Solution

The fourth proportional to 758,268,288.30, 1,137,402,432.45 and 656,231,616.30 is: 984,347,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,268,288.30 : 1,137,402,432.45 = 656,231,616.30 : x
  2. Step 2: Convert to fraction form
    758,268,288.30/1,137,402,432.45 = 656,231,616.30/x
  3. Step 3: Cross multiply
    758,268,288.30x = 1,137,402,432.45 × 656,231,616.30
  4. Step 4: Simplify right side
    758,268,288.30x = 746,399,436,630,215,040
  5. Step 5: Solve for x
    x = 746,399,436,630,215,040/758,268,288.30
  6. Step 6: Final answer
    x = 984,347,424.45

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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.