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Finding the Fourth Proportional to 662,496,003.80, 993,744,005.70 and 662,496,003.80

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Solution

The fourth proportional to 662,496,003.80, 993,744,005.70 and 662,496,003.80 is: 993,744,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,496,003.80 : 993,744,005.70 = 662,496,003.80 : x
  2. Step 2: Convert to fraction form
    662,496,003.80/993,744,005.70 = 662,496,003.80/x
  3. Step 3: Cross multiply
    662,496,003.80x = 993,744,005.70 × 662,496,003.80
  4. Step 4: Simplify right side
    662,496,003.80x = 658,351,432,576,454,400
  5. Step 5: Solve for x
    x = 658,351,432,576,454,400/662,496,003.80
  6. Step 6: Final answer
    x = 993,744,005.70

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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.