Home / 5,318,786,735.40-7,978,180,103.10-3,543,348,642.60

Finding the Fourth Proportional to 5,318,786,735.40, 7,978,180,103.10 and 3,543,348,642.60

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Solution

The fourth proportional to 5,318,786,735.40, 7,978,180,103.10 and 3,543,348,642.60 is: 5,315,022,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,786,735.40 : 7,978,180,103.10 = 3,543,348,642.60 : x
  2. Step 2: Convert to fraction form
    5,318,786,735.40/7,978,180,103.10 = 3,543,348,642.60/x
  3. Step 3: Cross multiply
    5,318,786,735.40x = 7,978,180,103.10 × 3,543,348,642.60
  4. Step 4: Simplify right side
    5,318,786,735.40x = 28,269,473,638,737,715,200
  5. Step 5: Solve for x
    x = 28,269,473,638,737,715,200/5,318,786,735.40
  6. Step 6: Final answer
    x = 5,315,022,963.90

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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.