Home / 309,946,096.20-464,919,144.30-173,897,200.20

Finding the Fourth Proportional to 309,946,096.20, 464,919,144.30 and 173,897,200.20

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Solution

The fourth proportional to 309,946,096.20, 464,919,144.30 and 173,897,200.20 is: 260,845,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,946,096.20 : 464,919,144.30 = 173,897,200.20 : x
  2. Step 2: Convert to fraction form
    309,946,096.20/464,919,144.30 = 173,897,200.20/x
  3. Step 3: Cross multiply
    309,946,096.20x = 464,919,144.30 × 173,897,200.20
  4. Step 4: Simplify right side
    309,946,096.20x = 80,848,137,513,149,792
  5. Step 5: Solve for x
    x = 80,848,137,513,149,792/309,946,096.20
  6. Step 6: Final answer
    x = 260,845,800.30

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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.