Home / 758,268,292.80-1,137,402,439.20-656,231,620.80

Finding the Fourth Proportional to 758,268,292.80, 1,137,402,439.20 and 656,231,620.80

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Solution

The fourth proportional to 758,268,292.80, 1,137,402,439.20 and 656,231,620.80 is: 984,347,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,268,292.80 : 1,137,402,439.20 = 656,231,620.80 : x
  2. Step 2: Convert to fraction form
    758,268,292.80/1,137,402,439.20 = 656,231,620.80/x
  3. Step 3: Cross multiply
    758,268,292.80x = 1,137,402,439.20 × 656,231,620.80
  4. Step 4: Simplify right side
    758,268,292.80x = 746,399,446,178,089,472
  5. Step 5: Solve for x
    x = 746,399,446,178,089,472/758,268,292.80
  6. Step 6: Final answer
    x = 984,347,431.20

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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.