Home / 5,318,786,732.90-7,978,180,099.35-3,543,348,640.10

Finding the Fourth Proportional to 5,318,786,732.90, 7,978,180,099.35 and 3,543,348,640.10

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Solution

The fourth proportional to 5,318,786,732.90, 7,978,180,099.35 and 3,543,348,640.10 is: 5,315,022,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,786,732.90 : 7,978,180,099.35 = 3,543,348,640.10 : x
  2. Step 2: Convert to fraction form
    5,318,786,732.90/7,978,180,099.35 = 3,543,348,640.10/x
  3. Step 3: Cross multiply
    5,318,786,732.90x = 7,978,180,099.35 × 3,543,348,640.10
  4. Step 4: Simplify right side
    5,318,786,732.90x = 28,269,473,605,504,704,512
  5. Step 5: Solve for x
    x = 28,269,473,605,504,704,512/5,318,786,732.90
  6. Step 6: Final answer
    x = 5,315,022,960.15

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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.