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Finding the Fourth Proportional to 2,491,567,985.70, 3,737,351,978.55 and 2,491,567,985.70

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Solution

The fourth proportional to 2,491,567,985.70, 3,737,351,978.55 and 2,491,567,985.70 is: 3,737,351,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,567,985.70 : 3,737,351,978.55 = 2,491,567,985.70 : x
  2. Step 2: Convert to fraction form
    2,491,567,985.70/3,737,351,978.55 = 2,491,567,985.70/x
  3. Step 3: Cross multiply
    2,491,567,985.70x = 3,737,351,978.55 × 2,491,567,985.70
  4. Step 4: Simplify right side
    2,491,567,985.70x = 9,311,866,541,047,732,224
  5. Step 5: Solve for x
    x = 9,311,866,541,047,732,224/2,491,567,985.70
  6. Step 6: Final answer
    x = 3,737,351,978.55

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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.