Home / 345,095,998.20-517,643,997.30-268,001,623.80

Finding the Fourth Proportional to 345,095,998.20, 517,643,997.30 and 268,001,623.80

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Solution

The fourth proportional to 345,095,998.20, 517,643,997.30 and 268,001,623.80 is: 402,002,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,095,998.20 : 517,643,997.30 = 268,001,623.80 : x
  2. Step 2: Convert to fraction form
    345,095,998.20/517,643,997.30 = 268,001,623.80/x
  3. Step 3: Cross multiply
    345,095,998.20x = 517,643,997.30 × 268,001,623.80
  4. Step 4: Simplify right side
    345,095,998.20x = 138,729,431,826,722,832
  5. Step 5: Solve for x
    x = 138,729,431,826,722,832/345,095,998.20
  6. Step 6: Final answer
    x = 402,002,435.70

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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.