Home / 494,825,701.28-682,819,644.56-285,995,369.76

Finding the Fourth Proportional to 494,825,701.28, 682,819,644.56 and 285,995,369.76

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Solution

The fourth proportional to 494,825,701.28, 682,819,644.56 and 285,995,369.76 is: 394,650,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,825,701.28 : 682,819,644.56 = 285,995,369.76 : x
  2. Step 2: Convert to fraction form
    494,825,701.28/682,819,644.56 = 285,995,369.76/x
  3. Step 3: Cross multiply
    494,825,701.28x = 682,819,644.56 × 285,995,369.76
  4. Step 4: Simplify right side
    494,825,701.28x = 195,283,256,725,328,960
  5. Step 5: Solve for x
    x = 195,283,256,725,328,960/494,825,701.28
  6. Step 6: Final answer
    x = 394,650,593.57

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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.