Home / 298,951,605.90-448,427,408.85-221,467,508.10

Finding the Fourth Proportional to 298,951,605.90, 448,427,408.85 and 221,467,508.10

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Solution

The fourth proportional to 298,951,605.90, 448,427,408.85 and 221,467,508.10 is: 332,201,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,951,605.90 : 448,427,408.85 = 221,467,508.10 : x
  2. Step 2: Convert to fraction form
    298,951,605.90/448,427,408.85 = 221,467,508.10/x
  3. Step 3: Cross multiply
    298,951,605.90x = 448,427,408.85 × 221,467,508.10
  4. Step 4: Simplify right side
    298,951,605.90x = 99,312,100,801,749,392
  5. Step 5: Solve for x
    x = 99,312,100,801,749,392/298,951,605.90
  6. Step 6: Final answer
    x = 332,201,262.15

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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.