Home / 5,318,786,092.40-7,978,179,138.60-3,543,347,999.60

Finding the Fourth Proportional to 5,318,786,092.40, 7,978,179,138.60 and 3,543,347,999.60

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Solution

The fourth proportional to 5,318,786,092.40, 7,978,179,138.60 and 3,543,347,999.60 is: 5,315,021,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,786,092.40 : 7,978,179,138.60 = 3,543,347,999.60 : x
  2. Step 2: Convert to fraction form
    5,318,786,092.40/7,978,179,138.60 = 3,543,347,999.60/x
  3. Step 3: Cross multiply
    5,318,786,092.40x = 7,978,179,138.60 × 3,543,347,999.60
  4. Step 4: Simplify right side
    5,318,786,092.40x = 28,269,465,091,208,761,344
  5. Step 5: Solve for x
    x = 28,269,465,091,208,761,344/5,318,786,092.40
  6. Step 6: Final answer
    x = 5,315,021,999.40

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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.