Home / 275,280,581,912.55-412,920,872,868.82-275,280,581,912.55

Finding the Fourth Proportional to 275,280,581,912.55, 412,920,872,868.82 and 275,280,581,912.55

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Solution

The fourth proportional to 275,280,581,912.55, 412,920,872,868.82 and 275,280,581,912.55 is: 412,920,872,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280,581,912.55 : 412,920,872,868.82 = 275,280,581,912.55 : x
  2. Step 2: Convert to fraction form
    275,280,581,912.55/412,920,872,868.82 = 275,280,581,912.55/x
  3. Step 3: Cross multiply
    275,280,581,912.55x = 412,920,872,868.82 × 275,280,581,912.55
  4. Step 4: Simplify right side
    275,280,581,912.55x = 113,669,098,167,166,839,029,760
  5. Step 5: Solve for x
    x = 113,669,098,167,166,839,029,760/275,280,581,912.55
  6. Step 6: Final answer
    x = 412,920,872,868.82

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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.