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Finding the Fourth Proportional to 994,728,916.80, 1,492,093,375.20 and 295,246,272.60

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Solution

The fourth proportional to 994,728,916.80, 1,492,093,375.20 and 295,246,272.60 is: 442,869,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,728,916.80 : 1,492,093,375.20 = 295,246,272.60 : x
  2. Step 2: Convert to fraction form
    994,728,916.80/1,492,093,375.20 = 295,246,272.60/x
  3. Step 3: Cross multiply
    994,728,916.80x = 1,492,093,375.20 × 295,246,272.60
  4. Step 4: Simplify right side
    994,728,916.80x = 440,535,007,398,953,344
  5. Step 5: Solve for x
    x = 440,535,007,398,953,344/994,728,916.80
  6. Step 6: Final answer
    x = 442,869,408.90

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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.