Home / 579,453,506.20-869,180,259.30-148,632,002.20

Finding the Fourth Proportional to 579,453,506.20, 869,180,259.30 and 148,632,002.20

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Solution

The fourth proportional to 579,453,506.20, 869,180,259.30 and 148,632,002.20 is: 222,948,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,453,506.20 : 869,180,259.30 = 148,632,002.20 : x
  2. Step 2: Convert to fraction form
    579,453,506.20/869,180,259.30 = 148,632,002.20/x
  3. Step 3: Cross multiply
    579,453,506.20x = 869,180,259.30 × 148,632,002.20
  4. Step 4: Simplify right side
    579,453,506.20x = 129,188,002,212,474,160
  5. Step 5: Solve for x
    x = 129,188,002,212,474,160/579,453,506.20
  6. Step 6: Final answer
    x = 222,948,003.30

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Double scale
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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.