Home / 517,268,420.39-776,004,843.68-189,746,974.55

Finding the Fourth Proportional to 517,268,420.39, 776,004,843.68 and 189,746,974.55

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Solution

The fourth proportional to 517,268,420.39, 776,004,843.68 and 189,746,974.55 is: 284,657,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,268,420.39 : 776,004,843.68 = 189,746,974.55 : x
  2. Step 2: Convert to fraction form
    517,268,420.39/776,004,843.68 = 189,746,974.55/x
  3. Step 3: Cross multiply
    517,268,420.39x = 776,004,843.68 × 189,746,974.55
  4. Step 4: Simplify right side
    517,268,420.39x = 147,244,571,324,425,696
  5. Step 5: Solve for x
    x = 147,244,571,324,425,696/517,268,420.39
  6. Step 6: Final answer
    x = 284,657,956.14

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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.