Home / 678,185,414,680.80-1,017,278,122,021.20-207,081,344,229.60

Finding the Fourth Proportional to 678,185,414,680.80, 1,017,278,122,021.20 and 207,081,344,229.60

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Solution

The fourth proportional to 678,185,414,680.80, 1,017,278,122,021.20 and 207,081,344,229.60 is: 310,622,016,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,185,414,680.80 : 1,017,278,122,021.20 = 207,081,344,229.60 : x
  2. Step 2: Convert to fraction form
    678,185,414,680.80/1,017,278,122,021.20 = 207,081,344,229.60/x
  3. Step 3: Cross multiply
    678,185,414,680.80x = 1,017,278,122,021.20 × 207,081,344,229.60
  4. Step 4: Simplify right side
    678,185,414,680.80x = 210,659,320,963,513,135,923,200
  5. Step 5: Solve for x
    x = 210,659,320,963,513,135,923,200/678,185,414,680.80
  6. Step 6: Final answer
    x = 310,622,016,344.40

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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.