Home / 678,185,414,681.80-1,017,278,122,022.70-207,081,344,230.60

Finding the Fourth Proportional to 678,185,414,681.80, 1,017,278,122,022.70 and 207,081,344,230.60

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Solution

The fourth proportional to 678,185,414,681.80, 1,017,278,122,022.70 and 207,081,344,230.60 is: 310,622,016,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,185,414,681.80 : 1,017,278,122,022.70 = 207,081,344,230.60 : x
  2. Step 2: Convert to fraction form
    678,185,414,681.80/1,017,278,122,022.70 = 207,081,344,230.60/x
  3. Step 3: Cross multiply
    678,185,414,681.80x = 1,017,278,122,022.70 × 207,081,344,230.60
  4. Step 4: Simplify right side
    678,185,414,681.80x = 210,659,320,964,841,052,569,600
  5. Step 5: Solve for x
    x = 210,659,320,964,841,052,569,600/678,185,414,681.80
  6. Step 6: Final answer
    x = 310,622,016,345.90

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Double scale
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Similar ratio
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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.