Home / 664,848,046.45-997,272,069.68-419,960,033.65

Finding the Fourth Proportional to 664,848,046.45, 997,272,069.68 and 419,960,033.65

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Solution

The fourth proportional to 664,848,046.45, 997,272,069.68 and 419,960,033.65 is: 629,940,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,046.45 : 997,272,069.68 = 419,960,033.65 : x
  2. Step 2: Convert to fraction form
    664,848,046.45/997,272,069.68 = 419,960,033.65/x
  3. Step 3: Cross multiply
    664,848,046.45x = 997,272,069.68 × 419,960,033.65
  4. Step 4: Simplify right side
    664,848,046.45x = 418,814,411,941,017,920
  5. Step 5: Solve for x
    x = 418,814,411,941,017,920/664,848,046.45
  6. Step 6: Final answer
    x = 629,940,050.48

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Double scale
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Similar ratio
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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.