Home / 13,291,753,679.42-19,937,664,287.72-5,431,166,004.54

Finding the Fourth Proportional to 13,291,753,679.42, 19,937,664,287.72 and 5,431,166,004.54

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Solution

The fourth proportional to 13,291,753,679.42, 19,937,664,287.72 and 5,431,166,004.54 is: 8,146,762,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,753,679.42 : 19,937,664,287.72 = 5,431,166,004.54 : x
  2. Step 2: Convert to fraction form
    13,291,753,679.42/19,937,664,287.72 = 5,431,166,004.54/x
  3. Step 3: Cross multiply
    13,291,753,679.42x = 19,937,664,287.72 × 5,431,166,004.54
  4. Step 4: Simplify right side
    13,291,753,679.42x = 108,284,764,489,396,076,544
  5. Step 5: Solve for x
    x = 108,284,764,489,396,076,544/13,291,753,679.42
  6. Step 6: Final answer
    x = 8,146,762,805.05

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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.