Home / 284,419,343.70-426,629,015.64-79,947,418.95

Finding the Fourth Proportional to 284,419,343.70, 426,629,015.64 and 79,947,418.95

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Solution

The fourth proportional to 284,419,343.70, 426,629,015.64 and 79,947,418.95 is: 119,921,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,419,343.70 : 426,629,015.64 = 79,947,418.95 : x
  2. Step 2: Convert to fraction form
    284,419,343.70/426,629,015.64 = 79,947,418.95/x
  3. Step 3: Cross multiply
    284,419,343.70x = 426,629,015.64 × 79,947,418.95
  4. Step 4: Simplify right side
    284,419,343.70x = 34,107,888,649,597,184
  5. Step 5: Solve for x
    x = 34,107,888,649,597,184/284,419,343.70
  6. Step 6: Final answer
    x = 119,921,128.45

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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.