Home / 853,505,758.20-1,281,215,231.10-660,273,810.60

Finding the Fourth Proportional to 853,505,758.20, 1,281,215,231.10 and 660,273,810.60

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Solution

The fourth proportional to 853,505,758.20, 1,281,215,231.10 and 660,273,810.60 is: 991,150,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,505,758.20 : 1,281,215,231.10 = 660,273,810.60 : x
  2. Step 2: Convert to fraction form
    853,505,758.20/1,281,215,231.10 = 660,273,810.60/x
  3. Step 3: Cross multiply
    853,505,758.20x = 1,281,215,231.10 × 660,273,810.60
  4. Step 4: Simplify right side
    853,505,758.20x = 845,952,862,837,156,608
  5. Step 5: Solve for x
    x = 845,952,862,837,156,608/853,505,758.20
  6. Step 6: Final answer
    x = 991,150,738.83

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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.