Home / 814,166,014.76-1,218,167,317.50-482,351,238.44

Finding the Fourth Proportional to 814,166,014.76, 1,218,167,317.50 and 482,351,238.44

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Solution

The fourth proportional to 814,166,014.76, 1,218,167,317.50 and 482,351,238.44 is: 721,701,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,166,014.76 : 1,218,167,317.50 = 482,351,238.44 : x
  2. Step 2: Convert to fraction form
    814,166,014.76/1,218,167,317.50 = 482,351,238.44/x
  3. Step 3: Cross multiply
    814,166,014.76x = 1,218,167,317.50 × 482,351,238.44
  4. Step 4: Simplify right side
    814,166,014.76x = 587,584,514,223,257,728
  5. Step 5: Solve for x
    x = 587,584,514,223,257,728/814,166,014.76
  6. Step 6: Final answer
    x = 721,701,107.11

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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.