Home / 354,297,239.30-488,930,494.67-197,664,370.38

Finding the Fourth Proportional to 354,297,239.30, 488,930,494.67 and 197,664,370.38

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Solution

The fourth proportional to 354,297,239.30, 488,930,494.67 and 197,664,370.38 is: 272,777,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297,239.30 : 488,930,494.67 = 197,664,370.38 : x
  2. Step 2: Convert to fraction form
    354,297,239.30/488,930,494.67 = 197,664,370.38/x
  3. Step 3: Cross multiply
    354,297,239.30x = 488,930,494.67 × 197,664,370.38
  4. Step 4: Simplify right side
    354,297,239.30x = 96,644,138,387,539,168
  5. Step 5: Solve for x
    x = 96,644,138,387,539,168/354,297,239.30
  6. Step 6: Final answer
    x = 272,777,000.97

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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.