Home / 892,093,371.72-1,337,680,582.38-400,385,115.42

Finding the Fourth Proportional to 892,093,371.72, 1,337,680,582.38 and 400,385,115.42

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Solution

The fourth proportional to 892,093,371.72, 1,337,680,582.38 and 400,385,115.42 is: 600,371,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,093,371.72 : 1,337,680,582.38 = 400,385,115.42 : x
  2. Step 2: Convert to fraction form
    892,093,371.72/1,337,680,582.38 = 400,385,115.42/x
  3. Step 3: Cross multiply
    892,093,371.72x = 1,337,680,582.38 × 400,385,115.42
  4. Step 4: Simplify right side
    892,093,371.72x = 535,587,394,371,309,184
  5. Step 5: Solve for x
    x = 535,587,394,371,309,184/892,093,371.72
  6. Step 6: Final answer
    x = 600,371,453.65

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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.