Home / 422,756,616.30-633,927,458.34-173,716,758.15

Finding the Fourth Proportional to 422,756,616.30, 633,927,458.34 and 173,716,758.15

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Solution

The fourth proportional to 422,756,616.30, 633,927,458.34 and 173,716,758.15 is: 260,489,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,756,616.30 : 633,927,458.34 = 173,716,758.15 : x
  2. Step 2: Convert to fraction form
    422,756,616.30/633,927,458.34 = 173,716,758.15/x
  3. Step 3: Cross multiply
    422,756,616.30x = 633,927,458.34 × 173,716,758.15
  4. Step 4: Simplify right side
    422,756,616.30x = 110,123,822,965,093,984
  5. Step 5: Solve for x
    x = 110,123,822,965,093,984/422,756,616.30
  6. Step 6: Final answer
    x = 260,489,886.42

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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.