Home / 417,489,408.63-576,119,600.11-231,862,381.74

Finding the Fourth Proportional to 417,489,408.63, 576,119,600.11 and 231,862,381.74

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Solution

The fourth proportional to 417,489,408.63, 576,119,600.11 and 231,862,381.74 is: 319,961,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,489,408.63 : 576,119,600.11 = 231,862,381.74 : x
  2. Step 2: Convert to fraction form
    417,489,408.63/576,119,600.11 = 231,862,381.74/x
  3. Step 3: Cross multiply
    417,489,408.63x = 576,119,600.11 × 231,862,381.74
  4. Step 4: Simplify right side
    417,489,408.63x = 133,580,462,647,587,744
  5. Step 5: Solve for x
    x = 133,580,462,647,587,744/417,489,408.63
  6. Step 6: Final answer
    x = 319,961,320.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.