Home / 442,868,002.10-664,302,003.15-419,192,305.56

Finding the Fourth Proportional to 442,868,002.10, 664,302,003.15 and 419,192,305.56

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Solution

The fourth proportional to 442,868,002.10, 664,302,003.15 and 419,192,305.56 is: 628,788,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,002.10 : 664,302,003.15 = 419,192,305.56 : x
  2. Step 2: Convert to fraction form
    442,868,002.10/664,302,003.15 = 419,192,305.56/x
  3. Step 3: Cross multiply
    442,868,002.10x = 664,302,003.15 × 419,192,305.56
  4. Step 4: Simplify right side
    442,868,002.10x = 278,470,288,288,574,880
  5. Step 5: Solve for x
    x = 278,470,288,288,574,880/442,868,002.10
  6. Step 6: Final answer
    x = 628,788,458.34

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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.