Home / 853,505,727.45-1,281,215,184.98-660,273,779.85

Finding the Fourth Proportional to 853,505,727.45, 1,281,215,184.98 and 660,273,779.85

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Solution

The fourth proportional to 853,505,727.45, 1,281,215,184.98 and 660,273,779.85 is: 991,150,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,505,727.45 : 1,281,215,184.98 = 660,273,779.85 : x
  2. Step 2: Convert to fraction form
    853,505,727.45/1,281,215,184.98 = 660,273,779.85/x
  3. Step 3: Cross multiply
    853,505,727.45x = 1,281,215,184.98 × 660,273,779.85
  4. Step 4: Simplify right side
    853,505,727.45x = 845,952,792,984,660,096
  5. Step 5: Solve for x
    x = 845,952,792,984,660,096/853,505,727.45
  6. Step 6: Final answer
    x = 991,150,692.70

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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.