Home / 509,965,512.15-764,948,268.23-164,954,014.95

Finding the Fourth Proportional to 509,965,512.15, 764,948,268.23 and 164,954,014.95

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Solution

The fourth proportional to 509,965,512.15, 764,948,268.23 and 164,954,014.95 is: 247,431,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,965,512.15 : 764,948,268.23 = 164,954,014.95 : x
  2. Step 2: Convert to fraction form
    509,965,512.15/764,948,268.23 = 164,954,014.95/x
  3. Step 3: Cross multiply
    509,965,512.15x = 764,948,268.23 × 164,954,014.95
  4. Step 4: Simplify right side
    509,965,512.15x = 126,181,288,072,763,248
  5. Step 5: Solve for x
    x = 126,181,288,072,763,248/509,965,512.15
  6. Step 6: Final answer
    x = 247,431,022.43

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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.