Home / 1,769,471,997.80-2,654,207,996.70-1,618,978,404.20

Finding the Fourth Proportional to 1,769,471,997.80, 2,654,207,996.70 and 1,618,978,404.20

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Solution

The fourth proportional to 1,769,471,997.80, 2,654,207,996.70 and 1,618,978,404.20 is: 2,428,467,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,471,997.80 : 2,654,207,996.70 = 1,618,978,404.20 : x
  2. Step 2: Convert to fraction form
    1,769,471,997.80/2,654,207,996.70 = 1,618,978,404.20/x
  3. Step 3: Cross multiply
    1,769,471,997.80x = 2,654,207,996.70 × 1,618,978,404.20
  4. Step 4: Simplify right side
    1,769,471,997.80x = 4,297,105,426,912,244,736
  5. Step 5: Solve for x
    x = 4,297,105,426,912,244,736/1,769,471,997.80
  6. Step 6: Final answer
    x = 2,428,467,606.30

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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.