Home / 643,603,597.43-965,414,253.69-183,541,815.95

Finding the Fourth Proportional to 643,603,597.43, 965,414,253.69 and 183,541,815.95

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Solution

The fourth proportional to 643,603,597.43, 965,414,253.69 and 183,541,815.95 is: 275,315,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,603,597.43 : 965,414,253.69 = 183,541,815.95 : x
  2. Step 2: Convert to fraction form
    643,603,597.43/965,414,253.69 = 183,541,815.95/x
  3. Step 3: Cross multiply
    643,603,597.43x = 965,414,253.69 × 183,541,815.95
  4. Step 4: Simplify right side
    643,603,597.43x = 177,193,885,261,449,536
  5. Step 5: Solve for x
    x = 177,193,885,261,449,536/643,603,597.43
  6. Step 6: Final answer
    x = 275,315,249.90

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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.