Home / 5,318,786,084.40-7,978,179,126.60-3,543,347,991.60

Finding the Fourth Proportional to 5,318,786,084.40, 7,978,179,126.60 and 3,543,347,991.60

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Solution

The fourth proportional to 5,318,786,084.40, 7,978,179,126.60 and 3,543,347,991.60 is: 5,315,021,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,786,084.40 : 7,978,179,126.60 = 3,543,347,991.60 : x
  2. Step 2: Convert to fraction form
    5,318,786,084.40/7,978,179,126.60 = 3,543,347,991.60/x
  3. Step 3: Cross multiply
    5,318,786,084.40x = 7,978,179,126.60 × 3,543,347,991.60
  4. Step 4: Simplify right side
    5,318,786,084.40x = 28,269,464,984,863,154,176
  5. Step 5: Solve for x
    x = 28,269,464,984,863,154,176/5,318,786,084.40
  6. Step 6: Final answer
    x = 5,315,021,987.40

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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.