Home / 422,756,616.80-633,927,459.09-173,716,758.65

Finding the Fourth Proportional to 422,756,616.80, 633,927,459.09 and 173,716,758.65

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Solution

The fourth proportional to 422,756,616.80, 633,927,459.09 and 173,716,758.65 is: 260,489,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,756,616.80 : 633,927,459.09 = 173,716,758.65 : x
  2. Step 2: Convert to fraction form
    422,756,616.80/633,927,459.09 = 173,716,758.65/x
  3. Step 3: Cross multiply
    422,756,616.80x = 633,927,459.09 × 173,716,758.65
  4. Step 4: Simplify right side
    422,756,616.80x = 110,123,823,412,345,296
  5. Step 5: Solve for x
    x = 110,123,823,412,345,296/422,756,616.80
  6. Step 6: Final answer
    x = 260,489,887.17

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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.