Home / 456,215,614.62-629,589,927.57-258,006,749.38

Finding the Fourth Proportional to 456,215,614.62, 629,589,927.57 and 258,006,749.38

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Solution

The fourth proportional to 456,215,614.62, 629,589,927.57 and 258,006,749.38 is: 356,056,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,215,614.62 : 629,589,927.57 = 258,006,749.38 : x
  2. Step 2: Convert to fraction form
    456,215,614.62/629,589,927.57 = 258,006,749.38/x
  3. Step 3: Cross multiply
    456,215,614.62x = 629,589,927.57 × 258,006,749.38
  4. Step 4: Simplify right side
    456,215,614.62x = 162,438,450,654,725,344
  5. Step 5: Solve for x
    x = 162,438,450,654,725,344/456,215,614.62
  6. Step 6: Final answer
    x = 356,056,315.15

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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.