Home / 311,013,577,817.60-466,520,367,845.72-87,423,528,103.48

Finding the Fourth Proportional to 311,013,577,817.60, 466,520,367,845.72 and 87,423,528,103.48

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Solution

The fourth proportional to 311,013,577,817.60, 466,520,367,845.72 and 87,423,528,103.48 is: 131,135,292,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,013,577,817.60 : 466,520,367,845.72 = 87,423,528,103.48 : x
  2. Step 2: Convert to fraction form
    311,013,577,817.60/466,520,367,845.72 = 87,423,528,103.48/x
  3. Step 3: Cross multiply
    311,013,577,817.60x = 466,520,367,845.72 × 87,423,528,103.48
  4. Step 4: Simplify right side
    311,013,577,817.60x = 40,784,856,489,206,128,574,464
  5. Step 5: Solve for x
    x = 40,784,856,489,206,128,574,464/311,013,577,817.60
  6. Step 6: Final answer
    x = 131,135,292,469.85

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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.