Home / 442,828,801.20-664,621,115.40-197,562,874.80

Finding the Fourth Proportional to 442,828,801.20, 664,621,115.40 and 197,562,874.80

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Solution

The fourth proportional to 442,828,801.20, 664,621,115.40 and 197,562,874.80 is: 296,512,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,828,801.20 : 664,621,115.40 = 197,562,874.80 : x
  2. Step 2: Convert to fraction form
    442,828,801.20/664,621,115.40 = 197,562,874.80/x
  3. Step 3: Cross multiply
    442,828,801.20x = 664,621,115.40 × 197,562,874.80
  4. Step 4: Simplify right side
    442,828,801.20x = 131,304,458,211,206,560
  5. Step 5: Solve for x
    x = 131,304,458,211,206,560/442,828,801.20
  6. Step 6: Final answer
    x = 296,512,913.92

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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.