Home / 279,318,104.70-418,259,711.70-221,444,179.80

Finding the Fourth Proportional to 279,318,104.70, 418,259,711.70 and 221,444,179.80

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Solution

The fourth proportional to 279,318,104.70, 418,259,711.70 and 221,444,179.80 is: 331,597,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,318,104.70 : 418,259,711.70 = 221,444,179.80 : x
  2. Step 2: Convert to fraction form
    279,318,104.70/418,259,711.70 = 221,444,179.80/x
  3. Step 3: Cross multiply
    279,318,104.70x = 418,259,711.70 × 221,444,179.80
  4. Step 4: Simplify right side
    279,318,104.70x = 92,621,178,800,790,960
  5. Step 5: Solve for x
    x = 92,621,178,800,790,960/279,318,104.70
  6. Step 6: Final answer
    x = 331,597,477.01

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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.