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Finding the Fourth Proportional to 1,680,355,226.60, 2,520,532,839.90 and 1,680,355,226.60

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Solution

The fourth proportional to 1,680,355,226.60, 2,520,532,839.90 and 1,680,355,226.60 is: 2,520,532,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,355,226.60 : 2,520,532,839.90 = 1,680,355,226.60 : x
  2. Step 2: Convert to fraction form
    1,680,355,226.60/2,520,532,839.90 = 1,680,355,226.60/x
  3. Step 3: Cross multiply
    1,680,355,226.60x = 2,520,532,839.90 × 1,680,355,226.60
  4. Step 4: Simplify right side
    1,680,355,226.60x = 4,235,390,531,342,905,856
  5. Step 5: Solve for x
    x = 4,235,390,531,342,905,856/1,680,355,226.60
  6. Step 6: Final answer
    x = 2,520,532,839.90

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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.