Home / 275,347,310.22-380,006,736.72-205,611,622.20

Finding the Fourth Proportional to 275,347,310.22, 380,006,736.72 and 205,611,622.20

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Solution

The fourth proportional to 275,347,310.22, 380,006,736.72 and 205,611,622.20 is: 283,764,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,310.22 : 380,006,736.72 = 205,611,622.20 : x
  2. Step 2: Convert to fraction form
    275,347,310.22/380,006,736.72 = 205,611,622.20/x
  3. Step 3: Cross multiply
    275,347,310.22x = 380,006,736.72 × 205,611,622.20
  4. Step 4: Simplify right side
    275,347,310.22x = 78,133,801,583,927,504
  5. Step 5: Solve for x
    x = 78,133,801,583,927,504/275,347,310.22
  6. Step 6: Final answer
    x = 283,764,535.49

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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.