Home / 421,021,136.10-580,979,672.84-244,796,629.10

Finding the Fourth Proportional to 421,021,136.10, 580,979,672.84 and 244,796,629.10

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Solution

The fourth proportional to 421,021,136.10, 580,979,672.84 and 244,796,629.10 is: 337,802,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,021,136.10 : 580,979,672.84 = 244,796,629.10 : x
  2. Step 2: Convert to fraction form
    421,021,136.10/580,979,672.84 = 244,796,629.10/x
  3. Step 3: Cross multiply
    421,021,136.10x = 580,979,672.84 × 244,796,629.10
  4. Step 4: Simplify right side
    421,021,136.10x = 142,221,865,488,917,248
  5. Step 5: Solve for x
    x = 142,221,865,488,917,248/421,021,136.10
  6. Step 6: Final answer
    x = 337,802,198.74

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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.