Home / 397,376,404.87-548,369,760.37-218,758,841.47

Finding the Fourth Proportional to 397,376,404.87, 548,369,760.37 and 218,758,841.47

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Solution

The fourth proportional to 397,376,404.87, 548,369,760.37 and 218,758,841.47 is: 301,881,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,376,404.87 : 548,369,760.37 = 218,758,841.47 : x
  2. Step 2: Convert to fraction form
    397,376,404.87/548,369,760.37 = 218,758,841.47/x
  3. Step 3: Cross multiply
    397,376,404.87x = 548,369,760.37 × 218,758,841.47
  4. Step 4: Simplify right side
    397,376,404.87x = 119,960,733,475,722,720
  5. Step 5: Solve for x
    x = 119,960,733,475,722,720/397,376,404.87
  6. Step 6: Final answer
    x = 301,881,873.22

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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.