Home / 442,930,687.20-664,196,965.20-170,210,815.20

Finding the Fourth Proportional to 442,930,687.20, 664,196,965.20 and 170,210,815.20

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Solution

The fourth proportional to 442,930,687.20, 664,196,965.20 and 170,210,815.20 is: 255,239,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,930,687.20 : 664,196,965.20 = 170,210,815.20 : x
  2. Step 2: Convert to fraction form
    442,930,687.20/664,196,965.20 = 170,210,815.20/x
  3. Step 3: Cross multiply
    442,930,687.20x = 664,196,965.20 × 170,210,815.20
  4. Step 4: Simplify right side
    442,930,687.20x = 113,053,506,900,058,032
  5. Step 5: Solve for x
    x = 113,053,506,900,058,032/442,930,687.20
  6. Step 6: Final answer
    x = 255,239,725.24

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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.