Home / 664,705,180.80-997,057,771.20-551,458,972.80

Finding the Fourth Proportional to 664,705,180.80, 997,057,771.20 and 551,458,972.80

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Solution

The fourth proportional to 664,705,180.80, 997,057,771.20 and 551,458,972.80 is: 827,188,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,705,180.80 : 997,057,771.20 = 551,458,972.80 : x
  2. Step 2: Convert to fraction form
    664,705,180.80/997,057,771.20 = 551,458,972.80/x
  3. Step 3: Cross multiply
    664,705,180.80x = 997,057,771.20 × 551,458,972.80
  4. Step 4: Simplify right side
    664,705,180.80x = 549,836,454,328,209,408
  5. Step 5: Solve for x
    x = 549,836,454,328,209,408/664,705,180.80
  6. Step 6: Final answer
    x = 827,188,459.20

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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.