Home / 454,172,143.78-626,757,833.00-245,328,378.69

Finding the Fourth Proportional to 454,172,143.78, 626,757,833.00 and 245,328,378.69

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Solution

The fourth proportional to 454,172,143.78, 626,757,833.00 and 245,328,378.69 is: 338,553,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,172,143.78 : 626,757,833.00 = 245,328,378.69 : x
  2. Step 2: Convert to fraction form
    454,172,143.78/626,757,833.00 = 245,328,378.69/x
  3. Step 3: Cross multiply
    454,172,143.78x = 626,757,833.00 × 245,328,378.69
  4. Step 4: Simplify right side
    454,172,143.78x = 153,761,482,999,921,152
  5. Step 5: Solve for x
    x = 153,761,482,999,921,152/454,172,143.78
  6. Step 6: Final answer
    x = 338,553,310.91

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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.