Home / 585,449,990.75-878,193,181.97-217,076,609.63

Finding the Fourth Proportional to 585,449,990.75, 878,193,181.97 and 217,076,609.63

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Solution

The fourth proportional to 585,449,990.75, 878,193,181.97 and 217,076,609.63 is: 325,621,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,449,990.75 : 878,193,181.97 = 217,076,609.63 : x
  2. Step 2: Convert to fraction form
    585,449,990.75/878,193,181.97 = 217,076,609.63/x
  3. Step 3: Cross multiply
    585,449,990.75x = 878,193,181.97 × 217,076,609.63
  4. Step 4: Simplify right side
    585,449,990.75x = 190,635,198,542,229,248
  5. Step 5: Solve for x
    x = 190,635,198,542,229,248/585,449,990.75
  6. Step 6: Final answer
    x = 325,621,661.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.