Home / 496,494,481.84-685,162,382.26-287,771,693.08

Finding the Fourth Proportional to 496,494,481.84, 685,162,382.26 and 287,771,693.08

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Solution

The fourth proportional to 496,494,481.84, 685,162,382.26 and 287,771,693.08 is: 397,124,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,494,481.84 : 685,162,382.26 = 287,771,693.08 : x
  2. Step 2: Convert to fraction form
    496,494,481.84/685,162,382.26 = 287,771,693.08/x
  3. Step 3: Cross multiply
    496,494,481.84x = 685,162,382.26 × 287,771,693.08
  4. Step 4: Simplify right side
    496,494,481.84x = 197,170,338,777,686,336
  5. Step 5: Solve for x
    x = 197,170,338,777,686,336/496,494,481.84
  6. Step 6: Final answer
    x = 397,124,934.90

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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.