Home / 451,010,488.40-676,515,732.60-319,496,555.60

Finding the Fourth Proportional to 451,010,488.40, 676,515,732.60 and 319,496,555.60

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Solution

The fourth proportional to 451,010,488.40, 676,515,732.60 and 319,496,555.60 is: 479,244,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,010,488.40 : 676,515,732.60 = 319,496,555.60 : x
  2. Step 2: Convert to fraction form
    451,010,488.40/676,515,732.60 = 319,496,555.60/x
  3. Step 3: Cross multiply
    451,010,488.40x = 676,515,732.60 × 319,496,555.60
  4. Step 4: Simplify right side
    451,010,488.40x = 216,144,446,374,910,656
  5. Step 5: Solve for x
    x = 216,144,446,374,910,656/451,010,488.40
  6. Step 6: Final answer
    x = 479,244,833.40

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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.