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Finding the Fourth Proportional to 498,313,234.90, 747,469,852.35 and 498,313,234.90

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Solution

The fourth proportional to 498,313,234.90, 747,469,852.35 and 498,313,234.90 is: 747,469,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,313,234.90 : 747,469,852.35 = 498,313,234.90 : x
  2. Step 2: Convert to fraction form
    498,313,234.90/747,469,852.35 = 498,313,234.90/x
  3. Step 3: Cross multiply
    498,313,234.90x = 747,469,852.35 × 498,313,234.90
  4. Step 4: Simplify right side
    498,313,234.90x = 372,474,120,114,753,856
  5. Step 5: Solve for x
    x = 372,474,120,114,753,856/498,313,234.90
  6. Step 6: Final answer
    x = 747,469,852.35

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Double scale
Find fourth proportional to 498,313,235.90, 747,469,853.85 and 498,313,235.90
Similar ratio
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1.5x scale

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.