Home / 678,185,414,676.80-1,017,278,122,015.20-207,081,344,225.60

Finding the Fourth Proportional to 678,185,414,676.80, 1,017,278,122,015.20 and 207,081,344,225.60

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Solution

The fourth proportional to 678,185,414,676.80, 1,017,278,122,015.20 and 207,081,344,225.60 is: 310,622,016,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,185,414,676.80 : 1,017,278,122,015.20 = 207,081,344,225.60 : x
  2. Step 2: Convert to fraction form
    678,185,414,676.80/1,017,278,122,015.20 = 207,081,344,225.60/x
  3. Step 3: Cross multiply
    678,185,414,676.80x = 1,017,278,122,015.20 × 207,081,344,225.60
  4. Step 4: Simplify right side
    678,185,414,676.80x = 210,659,320,958,201,536,446,464
  5. Step 5: Solve for x
    x = 210,659,320,958,201,536,446,464/678,185,414,676.80
  6. Step 6: Final answer
    x = 310,622,016,338.40

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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.