Home / 892,093,393.72-1,337,680,615.20-400,385,137.60

Finding the Fourth Proportional to 892,093,393.72, 1,337,680,615.20 and 400,385,137.60

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Solution

The fourth proportional to 892,093,393.72, 1,337,680,615.20 and 400,385,137.60 is: 600,371,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,093,393.72 : 1,337,680,615.20 = 400,385,137.60 : x
  2. Step 2: Convert to fraction form
    892,093,393.72/1,337,680,615.20 = 400,385,137.60/x
  3. Step 3: Cross multiply
    892,093,393.72x = 1,337,680,615.20 × 400,385,137.60
  4. Step 4: Simplify right side
    892,093,393.72x = 535,587,437,181,704,704
  5. Step 5: Solve for x
    x = 535,587,437,181,704,704/892,093,393.72
  6. Step 6: Final answer
    x = 600,371,486.83

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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.