Home / 404,573,051.91-558,310,812.35-218,934,067.53

Finding the Fourth Proportional to 404,573,051.91, 558,310,812.35 and 218,934,067.53

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Solution

The fourth proportional to 404,573,051.91, 558,310,812.35 and 218,934,067.53 is: 302,129,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573,051.91 : 558,310,812.35 = 218,934,067.53 : x
  2. Step 2: Convert to fraction form
    404,573,051.91/558,310,812.35 = 218,934,067.53/x
  3. Step 3: Cross multiply
    404,573,051.91x = 558,310,812.35 × 218,934,067.53
  4. Step 4: Simplify right side
    404,573,051.91x = 122,233,257,092,669,392
  5. Step 5: Solve for x
    x = 122,233,257,092,669,392/404,573,051.91
  6. Step 6: Final answer
    x = 302,129,013.58

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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.