Home / 357,306,743.80-493,086,774.06-206,588,083.30

Finding the Fourth Proportional to 357,306,743.80, 493,086,774.06 and 206,588,083.30

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Solution

The fourth proportional to 357,306,743.80, 493,086,774.06 and 206,588,083.30 is: 285,093,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,306,743.80 : 493,086,774.06 = 206,588,083.30 : x
  2. Step 2: Convert to fraction form
    357,306,743.80/493,086,774.06 = 206,588,083.30/x
  3. Step 3: Cross multiply
    357,306,743.80x = 493,086,774.06 × 206,588,083.30
  4. Step 4: Simplify right side
    357,306,743.80x = 101,865,851,553,635,568
  5. Step 5: Solve for x
    x = 101,865,851,553,635,568/357,306,743.80
  6. Step 6: Final answer
    x = 285,093,559.86

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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.