Home / 454,172,144.78-626,757,834.38-245,328,379.69

Finding the Fourth Proportional to 454,172,144.78, 626,757,834.38 and 245,328,379.69

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Solution

The fourth proportional to 454,172,144.78, 626,757,834.38 and 245,328,379.69 is: 338,553,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,172,144.78 : 626,757,834.38 = 245,328,379.69 : x
  2. Step 2: Convert to fraction form
    454,172,144.78/626,757,834.38 = 245,328,379.69/x
  3. Step 3: Cross multiply
    454,172,144.78x = 626,757,834.38 × 245,328,379.69
  4. Step 4: Simplify right side
    454,172,144.78x = 153,761,483,966,458,784
  5. Step 5: Solve for x
    x = 153,761,483,966,458,784/454,172,144.78
  6. Step 6: Final answer
    x = 338,553,312.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.