Home / 834,948,550.80-1,252,422,826.20-787,331,437.20

Finding the Fourth Proportional to 834,948,550.80, 1,252,422,826.20 and 787,331,437.20

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Solution

The fourth proportional to 834,948,550.80, 1,252,422,826.20 and 787,331,437.20 is: 1,180,997,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,948,550.80 : 1,252,422,826.20 = 787,331,437.20 : x
  2. Step 2: Convert to fraction form
    834,948,550.80/1,252,422,826.20 = 787,331,437.20/x
  3. Step 3: Cross multiply
    834,948,550.80x = 1,252,422,826.20 × 787,331,437.20
  4. Step 4: Simplify right side
    834,948,550.80x = 986,071,863,734,131,968
  5. Step 5: Solve for x
    x = 986,071,863,734,131,968/834,948,550.80
  6. Step 6: Final answer
    x = 1,180,997,155.80

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Double scale
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1.5x scale

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.