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Finding the Fourth Proportional to 2,421,691,718.20, 3,392,664,230.60 and 2,421,691,718.20

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Solution

The fourth proportional to 2,421,691,718.20, 3,392,664,230.60 and 2,421,691,718.20 is: 3,392,664,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,691,718.20 : 3,392,664,230.60 = 2,421,691,718.20 : x
  2. Step 2: Convert to fraction form
    2,421,691,718.20/3,392,664,230.60 = 2,421,691,718.20/x
  3. Step 3: Cross multiply
    2,421,691,718.20x = 3,392,664,230.60 × 2,421,691,718.20
  4. Step 4: Simplify right side
    2,421,691,718.20x = 8,215,986,869,877,394,432
  5. Step 5: Solve for x
    x = 8,215,986,869,877,394,432/2,421,691,718.20
  6. Step 6: Final answer
    x = 3,392,664,230.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.