Home / 678,185,414,717.80-1,017,278,122,076.70-207,081,344,266.60

Finding the Fourth Proportional to 678,185,414,717.80, 1,017,278,122,076.70 and 207,081,344,266.60

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Solution

The fourth proportional to 678,185,414,717.80, 1,017,278,122,076.70 and 207,081,344,266.60 is: 310,622,016,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,185,414,717.80 : 1,017,278,122,076.70 = 207,081,344,266.60 : x
  2. Step 2: Convert to fraction form
    678,185,414,717.80/1,017,278,122,076.70 = 207,081,344,266.60/x
  3. Step 3: Cross multiply
    678,185,414,717.80x = 1,017,278,122,076.70 × 207,081,344,266.60
  4. Step 4: Simplify right side
    678,185,414,717.80x = 210,659,321,012,645,447,860,224
  5. Step 5: Solve for x
    x = 210,659,321,012,645,447,860,224/678,185,414,717.80
  6. Step 6: Final answer
    x = 310,622,016,399.90

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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.