Home / 663,936,949.80-996,543,153.90-336,781,870.20

Finding the Fourth Proportional to 663,936,949.80, 996,543,153.90 and 336,781,870.20

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Solution

The fourth proportional to 663,936,949.80, 996,543,153.90 and 336,781,870.20 is: 505,496,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,936,949.80 : 996,543,153.90 = 336,781,870.20 : x
  2. Step 2: Convert to fraction form
    663,936,949.80/996,543,153.90 = 336,781,870.20/x
  3. Step 3: Cross multiply
    663,936,949.80x = 996,543,153.90 × 336,781,870.20
  4. Step 4: Simplify right side
    663,936,949.80x = 335,617,667,105,448,384
  5. Step 5: Solve for x
    x = 335,617,667,105,448,384/663,936,949.80
  6. Step 6: Final answer
    x = 505,496,293.29

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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.