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Finding the Fourth Proportional to 498,689,794.80, 748,034,692.20 and 335,431,119.60

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Solution

The fourth proportional to 498,689,794.80, 748,034,692.20 and 335,431,119.60 is: 503,146,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,689,794.80 : 748,034,692.20 = 335,431,119.60 : x
  2. Step 2: Convert to fraction form
    498,689,794.80/748,034,692.20 = 335,431,119.60/x
  3. Step 3: Cross multiply
    498,689,794.80x = 748,034,692.20 × 335,431,119.60
  4. Step 4: Simplify right side
    498,689,794.80x = 250,914,114,304,287,424
  5. Step 5: Solve for x
    x = 250,914,114,304,287,424/498,689,794.80
  6. Step 6: Final answer
    x = 503,146,679.40

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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.