Home / 1,282,121,471,606.50-1,923,244,060,360.80-421,576,589,112.97

Finding the Fourth Proportional to 1,282,121,471,606.50, 1,923,244,060,360.80 and 421,576,589,112.97

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Solution

The fourth proportional to 1,282,121,471,606.50, 1,923,244,060,360.80 and 421,576,589,112.97 is: 632,385,221,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,121,471,606.50 : 1,923,244,060,360.80 = 421,576,589,112.97 : x
  2. Step 2: Convert to fraction form
    1,282,121,471,606.50/1,923,244,060,360.80 = 421,576,589,112.97/x
  3. Step 3: Cross multiply
    1,282,121,471,606.50x = 1,923,244,060,360.80 × 421,576,589,112.97
  4. Step 4: Simplify right side
    1,282,121,471,606.50x = 810,794,670,998,684,956,622,848
  5. Step 5: Solve for x
    x = 810,794,670,998,684,956,622,848/1,282,121,471,606.50
  6. Step 6: Final answer
    x = 632,385,221,645.78

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Double scale
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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.