Home / 9,431,151,375.62-13,015,029,360.87-5,144,458,112.78

Finding the Fourth Proportional to 9,431,151,375.62, 13,015,029,360.87 and 5,144,458,112.78

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Solution

The fourth proportional to 9,431,151,375.62, 13,015,029,360.87 and 5,144,458,112.78 is: 7,099,374,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,151,375.62 : 13,015,029,360.87 = 5,144,458,112.78 : x
  2. Step 2: Convert to fraction form
    9,431,151,375.62/13,015,029,360.87 = 5,144,458,112.78/x
  3. Step 3: Cross multiply
    9,431,151,375.62x = 13,015,029,360.87 × 5,144,458,112.78
  4. Step 4: Simplify right side
    9,431,151,375.62x = 66,955,273,383,597,572,096
  5. Step 5: Solve for x
    x = 66,955,273,383,597,572,096/9,431,151,375.62
  6. Step 6: Final answer
    x = 7,099,374,266.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.