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Finding the Fourth Proportional to 663,854,462.60, 995,781,693.90 and 341,368,190.60

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Solution

The fourth proportional to 663,854,462.60, 995,781,693.90 and 341,368,190.60 is: 512,052,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,854,462.60 : 995,781,693.90 = 341,368,190.60 : x
  2. Step 2: Convert to fraction form
    663,854,462.60/995,781,693.90 = 341,368,190.60/x
  3. Step 3: Cross multiply
    663,854,462.60x = 995,781,693.90 × 341,368,190.60
  4. Step 4: Simplify right side
    663,854,462.60x = 339,928,195,079,246,080
  5. Step 5: Solve for x
    x = 339,928,195,079,246,080/663,854,462.60
  6. Step 6: Final answer
    x = 512,052,285.90

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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.