Home / 457,057,470.30-685,494,542.79-223,787,676.30

Finding the Fourth Proportional to 457,057,470.30, 685,494,542.79 and 223,787,676.30

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Solution

The fourth proportional to 457,057,470.30, 685,494,542.79 and 223,787,676.30 is: 335,636,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,057,470.30 : 685,494,542.79 = 223,787,676.30 : x
  2. Step 2: Convert to fraction form
    457,057,470.30/685,494,542.79 = 223,787,676.30/x
  3. Step 3: Cross multiply
    457,057,470.30x = 685,494,542.79 × 223,787,676.30
  4. Step 4: Simplify right side
    457,057,470.30x = 153,405,230,847,305,024
  5. Step 5: Solve for x
    x = 153,405,230,847,305,024/457,057,470.30
  6. Step 6: Final answer
    x = 335,636,633.94

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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.