Home / 442,368,011.20-663,552,016.80-404,744,612.80

Finding the Fourth Proportional to 442,368,011.20, 663,552,016.80 and 404,744,612.80

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Solution

The fourth proportional to 442,368,011.20, 663,552,016.80 and 404,744,612.80 is: 607,116,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,368,011.20 : 663,552,016.80 = 404,744,612.80 : x
  2. Step 2: Convert to fraction form
    442,368,011.20/663,552,016.80 = 404,744,612.80/x
  3. Step 3: Cross multiply
    442,368,011.20x = 663,552,016.80 × 404,744,612.80
  4. Step 4: Simplify right side
    442,368,011.20x = 268,569,104,112,375,072
  5. Step 5: Solve for x
    x = 268,569,104,112,375,072/442,368,011.20
  6. Step 6: Final answer
    x = 607,116,919.20

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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.