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Finding the Fourth Proportional to 7,427,054,442.80, 11,140,581,664.20 and 7,427,054,442.80

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Solution

The fourth proportional to 7,427,054,442.80, 11,140,581,664.20 and 7,427,054,442.80 is: 11,140,581,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,054,442.80 : 11,140,581,664.20 = 7,427,054,442.80 : x
  2. Step 2: Convert to fraction form
    7,427,054,442.80/11,140,581,664.20 = 7,427,054,442.80/x
  3. Step 3: Cross multiply
    7,427,054,442.80x = 11,140,581,664.20 × 7,427,054,442.80
  4. Step 4: Simplify right side
    7,427,054,442.80x = 82,741,706,544,472,834,048
  5. Step 5: Solve for x
    x = 82,741,706,544,472,834,048/7,427,054,442.80
  6. Step 6: Final answer
    x = 11,140,581,664.20

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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.