Home / 280,299,113.28-384,003,366.24-269,819,380.80

Finding the Fourth Proportional to 280,299,113.28, 384,003,366.24 and 269,819,380.80

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Solution

The fourth proportional to 280,299,113.28, 384,003,366.24 and 269,819,380.80 is: 369,646,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,299,113.28 : 384,003,366.24 = 269,819,380.80 : x
  2. Step 2: Convert to fraction form
    280,299,113.28/384,003,366.24 = 269,819,380.80/x
  3. Step 3: Cross multiply
    280,299,113.28x = 384,003,366.24 × 269,819,380.80
  4. Step 4: Simplify right side
    280,299,113.28x = 103,611,550,503,992,432
  5. Step 5: Solve for x
    x = 103,611,550,503,992,432/280,299,113.28
  6. Step 6: Final answer
    x = 369,646,372.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.