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Finding the Fourth Proportional to 209,318,676, 314,027,703.68 and 65,711,508

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Solution

The fourth proportional to 209,318,676, 314,027,703.68 and 65,711,508 is: 98,582,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,318,676 : 314,027,703.68 = 65,711,508 : x
  2. Step 2: Convert to fraction form
    209,318,676/314,027,703.68 = 65,711,508/x
  3. Step 3: Cross multiply
    209,318,676x = 314,027,703.68 × 65,711,508
  4. Step 4: Simplify right side
    209,318,676x = 20,635,233,962,589,948
  5. Step 5: Solve for x
    x = 20,635,233,962,589,948/209,318,676
  6. Step 6: Final answer
    x = 98,582,861.10

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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.