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Finding the Fourth Proportional to 8,519,086,860.90, 12,754,443,820.95 and 8,519,086,860.90

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Solution

The fourth proportional to 8,519,086,860.90, 12,754,443,820.95 and 8,519,086,860.90 is: 12,754,443,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,086,860.90 : 12,754,443,820.95 = 8,519,086,860.90 : x
  2. Step 2: Convert to fraction form
    8,519,086,860.90/12,754,443,820.95 = 8,519,086,860.90/x
  3. Step 3: Cross multiply
    8,519,086,860.90x = 12,754,443,820.95 × 8,519,086,860.90
  4. Step 4: Simplify right side
    8,519,086,860.90x = 108,656,214,773,142,339,584
  5. Step 5: Solve for x
    x = 108,656,214,773,142,339,584/8,519,086,860.90
  6. Step 6: Final answer
    x = 12,754,443,820.95

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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.