Home / 418,262,020.29-626,819,067.68-264,633,057.09

Finding the Fourth Proportional to 418,262,020.29, 626,819,067.68 and 264,633,057.09

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Solution

The fourth proportional to 418,262,020.29, 626,819,067.68 and 264,633,057.09 is: 396,586,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,262,020.29 : 626,819,067.68 = 264,633,057.09 : x
  2. Step 2: Convert to fraction form
    418,262,020.29/626,819,067.68 = 264,633,057.09/x
  3. Step 3: Cross multiply
    418,262,020.29x = 626,819,067.68 × 264,633,057.09
  4. Step 4: Simplify right side
    418,262,020.29x = 165,877,046,121,138,848
  5. Step 5: Solve for x
    x = 165,877,046,121,138,848/418,262,020.29
  6. Step 6: Final answer
    x = 396,586,441.21

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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.