Home / 464,649,016.48-641,192,578.20-255,800,675.12

Finding the Fourth Proportional to 464,649,016.48, 641,192,578.20 and 255,800,675.12

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Solution

The fourth proportional to 464,649,016.48, 641,192,578.20 and 255,800,675.12 is: 352,992,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,649,016.48 : 641,192,578.20 = 255,800,675.12 : x
  2. Step 2: Convert to fraction form
    464,649,016.48/641,192,578.20 = 255,800,675.12/x
  3. Step 3: Cross multiply
    464,649,016.48x = 641,192,578.20 × 255,800,675.12
  4. Step 4: Simplify right side
    464,649,016.48x = 164,017,494,385,493,408
  5. Step 5: Solve for x
    x = 164,017,494,385,493,408/464,649,016.48
  6. Step 6: Final answer
    x = 352,992,234.07

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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.