Home / 9,431,151,372.12-13,015,029,356.04-5,144,458,109.28

Finding the Fourth Proportional to 9,431,151,372.12, 13,015,029,356.04 and 5,144,458,109.28

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Solution

The fourth proportional to 9,431,151,372.12, 13,015,029,356.04 and 5,144,458,109.28 is: 7,099,374,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,151,372.12 : 13,015,029,356.04 = 5,144,458,109.28 : x
  2. Step 2: Convert to fraction form
    9,431,151,372.12/13,015,029,356.04 = 5,144,458,109.28/x
  3. Step 3: Cross multiply
    9,431,151,372.12x = 13,015,029,356.04 × 5,144,458,109.28
  4. Step 4: Simplify right side
    9,431,151,372.12x = 66,955,273,313,197,236,224
  5. Step 5: Solve for x
    x = 66,955,273,313,197,236,224/9,431,151,372.12
  6. Step 6: Final answer
    x = 7,099,374,262.10

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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.