Home / 18,821,232,004.90-28,231,848,007.35-16,789,568,491.30

Finding the Fourth Proportional to 18,821,232,004.90, 28,231,848,007.35 and 16,789,568,491.30

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Solution

The fourth proportional to 18,821,232,004.90, 28,231,848,007.35 and 16,789,568,491.30 is: 25,184,352,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,232,004.90 : 28,231,848,007.35 = 16,789,568,491.30 : x
  2. Step 2: Convert to fraction form
    18,821,232,004.90/28,231,848,007.35 = 16,789,568,491.30/x
  3. Step 3: Cross multiply
    18,821,232,004.90x = 28,231,848,007.35 × 16,789,568,491.30
  4. Step 4: Simplify right side
    18,821,232,004.90x = 474,000,545,755,374,223,360
  5. Step 5: Solve for x
    x = 474,000,545,755,374,223,360/18,821,232,004.90
  6. Step 6: Final answer
    x = 25,184,352,736.95

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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.