Home / 722,339,926.53-996,834,200.45-392,315,065.53

Finding the Fourth Proportional to 722,339,926.53, 996,834,200.45 and 392,315,065.53

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Solution

The fourth proportional to 722,339,926.53, 996,834,200.45 and 392,315,065.53 is: 541,397,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,339,926.53 : 996,834,200.45 = 392,315,065.53 : x
  2. Step 2: Convert to fraction form
    722,339,926.53/996,834,200.45 = 392,315,065.53/x
  3. Step 3: Cross multiply
    722,339,926.53x = 996,834,200.45 × 392,315,065.53
  4. Step 4: Simplify right side
    722,339,926.53x = 391,073,074,672,086,912
  5. Step 5: Solve for x
    x = 391,073,074,672,086,912/722,339,926.53
  6. Step 6: Final answer
    x = 541,397,561.33

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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.