Home / 442,675,414.20-664,013,121.30-155,461,078.20

Finding the Fourth Proportional to 442,675,414.20, 664,013,121.30 and 155,461,078.20

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Solution

The fourth proportional to 442,675,414.20, 664,013,121.30 and 155,461,078.20 is: 233,191,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,675,414.20 : 664,013,121.30 = 155,461,078.20 : x
  2. Step 2: Convert to fraction form
    442,675,414.20/664,013,121.30 = 155,461,078.20/x
  3. Step 3: Cross multiply
    442,675,414.20x = 664,013,121.30 × 155,461,078.20
  4. Step 4: Simplify right side
    442,675,414.20x = 103,228,195,776,245,376
  5. Step 5: Solve for x
    x = 103,228,195,776,245,376/442,675,414.20
  6. Step 6: Final answer
    x = 233,191,617.30

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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.