Home / 454,172,145.66-626,757,835.59-245,328,380.57

Finding the Fourth Proportional to 454,172,145.66, 626,757,835.59 and 245,328,380.57

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Solution

The fourth proportional to 454,172,145.66, 626,757,835.59 and 245,328,380.57 is: 338,553,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,172,145.66 : 626,757,835.59 = 245,328,380.57 : x
  2. Step 2: Convert to fraction form
    454,172,145.66/626,757,835.59 = 245,328,380.57/x
  3. Step 3: Cross multiply
    454,172,145.66x = 626,757,835.59 × 245,328,380.57
  4. Step 4: Simplify right side
    454,172,145.66x = 153,761,484,816,419,904
  5. Step 5: Solve for x
    x = 153,761,484,816,419,904/454,172,145.66
  6. Step 6: Final answer
    x = 338,553,313.51

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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.