Home / 9,431,151,374.62-13,015,029,359.49-5,144,458,111.78

Finding the Fourth Proportional to 9,431,151,374.62, 13,015,029,359.49 and 5,144,458,111.78

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Solution

The fourth proportional to 9,431,151,374.62, 13,015,029,359.49 and 5,144,458,111.78 is: 7,099,374,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,151,374.62 : 13,015,029,359.49 = 5,144,458,111.78 : x
  2. Step 2: Convert to fraction form
    9,431,151,374.62/13,015,029,359.49 = 5,144,458,111.78/x
  3. Step 3: Cross multiply
    9,431,151,374.62x = 13,015,029,359.49 × 5,144,458,111.78
  4. Step 4: Simplify right side
    9,431,151,374.62x = 66,955,273,363,483,181,056
  5. Step 5: Solve for x
    x = 66,955,273,363,483,181,056/9,431,151,374.62
  6. Step 6: Final answer
    x = 7,099,374,265.55

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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.