Home / 413,167,827.60-618,408,048.60-321,796,717.20

Finding the Fourth Proportional to 413,167,827.60, 618,408,048.60 and 321,796,717.20

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Solution

The fourth proportional to 413,167,827.60, 618,408,048.60 and 321,796,717.20 is: 481,648,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,167,827.60 : 618,408,048.60 = 321,796,717.20 : x
  2. Step 2: Convert to fraction form
    413,167,827.60/618,408,048.60 = 321,796,717.20/x
  3. Step 3: Cross multiply
    413,167,827.60x = 618,408,048.60 × 321,796,717.20
  4. Step 4: Simplify right side
    413,167,827.60x = 199,001,679,929,538,048
  5. Step 5: Solve for x
    x = 199,001,679,929,538,048/413,167,827.60
  6. Step 6: Final answer
    x = 481,648,537.56

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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.