Home / 859,970,304,035.70-1,289,955,456,053.50-419,669,047,331.70

Finding the Fourth Proportional to 859,970,304,035.70, 1,289,955,456,053.50 and 419,669,047,331.70

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Solution

The fourth proportional to 859,970,304,035.70, 1,289,955,456,053.50 and 419,669,047,331.70 is: 629,503,570,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,970,304,035.70 : 1,289,955,456,053.50 = 419,669,047,331.70 : x
  2. Step 2: Convert to fraction form
    859,970,304,035.70/1,289,955,456,053.50 = 419,669,047,331.70/x
  3. Step 3: Cross multiply
    859,970,304,035.70x = 1,289,955,456,053.50 × 419,669,047,331.70
  4. Step 4: Simplify right side
    859,970,304,035.70x = 541,354,377,342,300,962,422,784
  5. Step 5: Solve for x
    x = 541,354,377,342,300,962,422,784/859,970,304,035.70
  6. Step 6: Final answer
    x = 629,503,570,997.53

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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.