Home / 379,007,998.20-568,511,997.30-163,597,246.20

Finding the Fourth Proportional to 379,007,998.20, 568,511,997.30 and 163,597,246.20

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Solution

The fourth proportional to 379,007,998.20, 568,511,997.30 and 163,597,246.20 is: 245,395,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,007,998.20 : 568,511,997.30 = 163,597,246.20 : x
  2. Step 2: Convert to fraction form
    379,007,998.20/568,511,997.30 = 163,597,246.20/x
  3. Step 3: Cross multiply
    379,007,998.20x = 568,511,997.30 × 163,597,246.20
  4. Step 4: Simplify right side
    379,007,998.20x = 93,006,997,189,941,824
  5. Step 5: Solve for x
    x = 93,006,997,189,941,824/379,007,998.20
  6. Step 6: Final answer
    x = 245,395,869.30

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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.