Home / 449,075,105.40-673,612,658.10-219,191,662.20

Finding the Fourth Proportional to 449,075,105.40, 673,612,658.10 and 219,191,662.20

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Solution

The fourth proportional to 449,075,105.40, 673,612,658.10 and 219,191,662.20 is: 328,787,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,105.40 : 673,612,658.10 = 219,191,662.20 : x
  2. Step 2: Convert to fraction form
    449,075,105.40/673,612,658.10 = 219,191,662.20/x
  3. Step 3: Cross multiply
    449,075,105.40x = 673,612,658.10 × 219,191,662.20
  4. Step 4: Simplify right side
    449,075,105.40x = 147,650,278,207,899,296
  5. Step 5: Solve for x
    x = 147,650,278,207,899,296/449,075,105.40
  6. Step 6: Final answer
    x = 328,787,493.30

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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.