Home / 585,449,992.76-878,193,184.98-217,076,611.64

Finding the Fourth Proportional to 585,449,992.76, 878,193,184.98 and 217,076,611.64

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Solution

The fourth proportional to 585,449,992.76, 878,193,184.98 and 217,076,611.64 is: 325,621,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,449,992.76 : 878,193,184.98 = 217,076,611.64 : x
  2. Step 2: Convert to fraction form
    585,449,992.76/878,193,184.98 = 217,076,611.64/x
  3. Step 3: Cross multiply
    585,449,992.76x = 878,193,184.98 × 217,076,611.64
  4. Step 4: Simplify right side
    585,449,992.76x = 190,635,200,960,798,144
  5. Step 5: Solve for x
    x = 190,635,200,960,798,144/585,449,992.76
  6. Step 6: Final answer
    x = 325,621,664.22

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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.