Home / 489,384,408.30-675,365,098.98-301,321,196.43

Finding the Fourth Proportional to 489,384,408.30, 675,365,098.98 and 301,321,196.43

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Solution

The fourth proportional to 489,384,408.30, 675,365,098.98 and 301,321,196.43 is: 415,832,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,384,408.30 : 675,365,098.98 = 301,321,196.43 : x
  2. Step 2: Convert to fraction form
    489,384,408.30/675,365,098.98 = 301,321,196.43/x
  3. Step 3: Cross multiply
    489,384,408.30x = 675,365,098.98 × 301,321,196.43
  4. Step 4: Simplify right side
    489,384,408.30x = 203,501,819,651,718,976
  5. Step 5: Solve for x
    x = 203,501,819,651,718,976/489,384,408.30
  6. Step 6: Final answer
    x = 415,832,250.07

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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.