Home / 275,347,310.72-380,006,737.41-205,611,622.70

Finding the Fourth Proportional to 275,347,310.72, 380,006,737.41 and 205,611,622.70

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Solution

The fourth proportional to 275,347,310.72, 380,006,737.41 and 205,611,622.70 is: 283,764,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,310.72 : 380,006,737.41 = 205,611,622.70 : x
  2. Step 2: Convert to fraction form
    275,347,310.72/380,006,737.41 = 205,611,622.70/x
  3. Step 3: Cross multiply
    275,347,310.72x = 380,006,737.41 × 205,611,622.70
  4. Step 4: Simplify right side
    275,347,310.72x = 78,133,801,915,802,896
  5. Step 5: Solve for x
    x = 78,133,801,915,802,896/275,347,310.72
  6. Step 6: Final answer
    x = 283,764,536.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.