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Finding the Fourth Proportional to 2,214,659,217.40, 3,321,988,826.10 and 2,214,659,217.40

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Solution

The fourth proportional to 2,214,659,217.40, 3,321,988,826.10 and 2,214,659,217.40 is: 3,321,988,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,659,217.40 : 3,321,988,826.10 = 2,214,659,217.40 : x
  2. Step 2: Convert to fraction form
    2,214,659,217.40/3,321,988,826.10 = 2,214,659,217.40/x
  3. Step 3: Cross multiply
    2,214,659,217.40x = 3,321,988,826.10 × 2,214,659,217.40
  4. Step 4: Simplify right side
    2,214,659,217.40x = 7,357,073,173,822,171,136
  5. Step 5: Solve for x
    x = 7,357,073,173,822,171,136/2,214,659,217.40
  6. Step 6: Final answer
    x = 3,321,988,826.10

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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.