Home / 436,747,620.72-655,446,801-320,463,463.44

Finding the Fourth Proportional to 436,747,620.72, 655,446,801 and 320,463,463.44

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Solution

The fourth proportional to 436,747,620.72, 655,446,801 and 320,463,463.44 is: 480,933,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,747,620.72 : 655,446,801 = 320,463,463.44 : x
  2. Step 2: Convert to fraction form
    436,747,620.72/655,446,801 = 320,463,463.44/x
  3. Step 3: Cross multiply
    436,747,620.72x = 655,446,801 × 320,463,463.44
  4. Step 4: Simplify right side
    436,747,620.72x = 210,046,751,949,128,448
  5. Step 5: Solve for x
    x = 210,046,751,949,128,448/436,747,620.72
  6. Step 6: Final answer
    x = 480,933,935.26

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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.