Home / 682,384,311,789.07-941,719,951,615.41-377,889,967,770.53

Finding the Fourth Proportional to 682,384,311,789.07, 941,719,951,615.41 and 377,889,967,770.53

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Solution

The fourth proportional to 682,384,311,789.07, 941,719,951,615.41 and 377,889,967,770.53 is: 521,504,548,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384,311,789.07 : 941,719,951,615.41 = 377,889,967,770.53 : x
  2. Step 2: Convert to fraction form
    682,384,311,789.07/941,719,951,615.41 = 377,889,967,770.53/x
  3. Step 3: Cross multiply
    682,384,311,789.07x = 941,719,951,615.41 × 377,889,967,770.53
  4. Step 4: Simplify right side
    682,384,311,789.07x = 355,866,522,164,812,375,392,256
  5. Step 5: Solve for x
    x = 355,866,522,164,812,375,392,256/682,384,311,789.07
  6. Step 6: Final answer
    x = 521,504,548,121.58

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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.