Home / 275,347,306.72-380,006,731.86-205,611,618.64

Finding the Fourth Proportional to 275,347,306.72, 380,006,731.86 and 205,611,618.64

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Solution

The fourth proportional to 275,347,306.72, 380,006,731.86 and 205,611,618.64 is: 283,764,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347,306.72 : 380,006,731.86 = 205,611,618.64 : x
  2. Step 2: Convert to fraction form
    275,347,306.72/380,006,731.86 = 205,611,618.64/x
  3. Step 3: Cross multiply
    275,347,306.72x = 380,006,731.86 × 205,611,618.64
  4. Step 4: Simplify right side
    275,347,306.72x = 78,133,799,231,831,056
  5. Step 5: Solve for x
    x = 78,133,799,231,831,056/275,347,306.72
  6. Step 6: Final answer
    x = 283,764,530.56

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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.