Home / 422,339,423.09-632,691,987.12-237,545,429.90

Finding the Fourth Proportional to 422,339,423.09, 632,691,987.12 and 237,545,429.90

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Solution

The fourth proportional to 422,339,423.09, 632,691,987.12 and 237,545,429.90 is: 355,858,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,339,423.09 : 632,691,987.12 = 237,545,429.90 : x
  2. Step 2: Convert to fraction form
    422,339,423.09/632,691,987.12 = 237,545,429.90/x
  3. Step 3: Cross multiply
    422,339,423.09x = 632,691,987.12 × 237,545,429.90
  4. Step 4: Simplify right side
    422,339,423.09x = 150,293,090,071,542,208
  5. Step 5: Solve for x
    x = 150,293,090,071,542,208/422,339,423.09
  6. Step 6: Final answer
    x = 355,858,539.02

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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.