Home / 859,970,304,047.70-1,289,955,456,071.50-419,669,047,343.70

Finding the Fourth Proportional to 859,970,304,047.70, 1,289,955,456,071.50 and 419,669,047,343.70

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Solution

The fourth proportional to 859,970,304,047.70, 1,289,955,456,071.50 and 419,669,047,343.70 is: 629,503,571,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,970,304,047.70 : 1,289,955,456,071.50 = 419,669,047,343.70 : x
  2. Step 2: Convert to fraction form
    859,970,304,047.70/1,289,955,456,071.50 = 419,669,047,343.70/x
  3. Step 3: Cross multiply
    859,970,304,047.70x = 1,289,955,456,071.50 × 419,669,047,343.70
  4. Step 4: Simplify right side
    859,970,304,047.70x = 541,354,377,365,334,469,378,048
  5. Step 5: Solve for x
    x = 541,354,377,365,334,469,378,048/859,970,304,047.70
  6. Step 6: Final answer
    x = 629,503,571,015.53

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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.