Home / 2,142,786,844.87-3,214,594,190.05-814,711,623.25

Finding the Fourth Proportional to 2,142,786,844.87, 3,214,594,190.05 and 814,711,623.25

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Solution

The fourth proportional to 2,142,786,844.87, 3,214,594,190.05 and 814,711,623.25 is: 1,222,224,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,786,844.87 : 3,214,594,190.05 = 814,711,623.25 : x
  2. Step 2: Convert to fraction form
    2,142,786,844.87/3,214,594,190.05 = 814,711,623.25/x
  3. Step 3: Cross multiply
    2,142,786,844.87x = 3,214,594,190.05 × 814,711,623.25
  4. Step 4: Simplify right side
    2,142,786,844.87x = 2,618,967,250,665,654,784
  5. Step 5: Solve for x
    x = 2,618,967,250,665,654,784/2,142,786,844.87
  6. Step 6: Final answer
    x = 1,222,224,812.95

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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.