Home / 8,472,354,890.44-12,704,605,217.64-3,159,040,418.40

Finding the Fourth Proportional to 8,472,354,890.44, 12,704,605,217.64 and 3,159,040,418.40

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Solution

The fourth proportional to 8,472,354,890.44, 12,704,605,217.64 and 3,159,040,418.40 is: 4,737,096,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,354,890.44 : 12,704,605,217.64 = 3,159,040,418.40 : x
  2. Step 2: Convert to fraction form
    8,472,354,890.44/12,704,605,217.64 = 3,159,040,418.40/x
  3. Step 3: Cross multiply
    8,472,354,890.44x = 12,704,605,217.64 × 3,159,040,418.40
  4. Step 4: Simplify right side
    8,472,354,890.44x = 40,134,361,382,340,288,512
  5. Step 5: Solve for x
    x = 40,134,361,382,340,288,512/8,472,354,890.44
  6. Step 6: Final answer
    x = 4,737,096,344.68

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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.