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Finding the Fourth Proportional to 606,955,801.25, 908,796,754.87 and 396,344,767.93

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Solution

The fourth proportional to 606,955,801.25, 908,796,754.87 and 396,344,767.93 is: 593,448,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,955,801.25 : 908,796,754.87 = 396,344,767.93 : x
  2. Step 2: Convert to fraction form
    606,955,801.25/908,796,754.87 = 396,344,767.93/x
  3. Step 3: Cross multiply
    606,955,801.25x = 908,796,754.87 × 396,344,767.93
  4. Step 4: Simplify right side
    606,955,801.25x = 360,196,838,908,568,384
  5. Step 5: Solve for x
    x = 360,196,838,908,568,384/606,955,801.25
  6. Step 6: Final answer
    x = 593,448,218.42

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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.