Home / 448,394,920.20-672,592,380.30-275,310,491.40

Finding the Fourth Proportional to 448,394,920.20, 672,592,380.30 and 275,310,491.40

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Solution

The fourth proportional to 448,394,920.20, 672,592,380.30 and 275,310,491.40 is: 412,965,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,394,920.20 : 672,592,380.30 = 275,310,491.40 : x
  2. Step 2: Convert to fraction form
    448,394,920.20/672,592,380.30 = 275,310,491.40/x
  3. Step 3: Cross multiply
    448,394,920.20x = 672,592,380.30 × 275,310,491.40
  4. Step 4: Simplify right side
    448,394,920.20x = 185,171,738,732,288,640
  5. Step 5: Solve for x
    x = 185,171,738,732,288,640/448,394,920.20
  6. Step 6: Final answer
    x = 412,965,737.10

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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.