Home / 664,705,344.80-997,058,017.20-551,459,136.80

Finding the Fourth Proportional to 664,705,344.80, 997,058,017.20 and 551,459,136.80

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Solution

The fourth proportional to 664,705,344.80, 997,058,017.20 and 551,459,136.80 is: 827,188,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,705,344.80 : 997,058,017.20 = 551,459,136.80 : x
  2. Step 2: Convert to fraction form
    664,705,344.80/997,058,017.20 = 551,459,136.80/x
  3. Step 3: Cross multiply
    664,705,344.80x = 997,058,017.20 × 551,459,136.80
  4. Step 4: Simplify right side
    664,705,344.80x = 549,836,753,504,631,552
  5. Step 5: Solve for x
    x = 549,836,753,504,631,552/664,705,344.80
  6. Step 6: Final answer
    x = 827,188,705.20

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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.