Home / 1,105,250,912.29-1,525,380,020.20-629,057,067.03

Finding the Fourth Proportional to 1,105,250,912.29, 1,525,380,020.20 and 629,057,067.03

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Solution

The fourth proportional to 1,105,250,912.29, 1,525,380,020.20 and 629,057,067.03 is: 868,174,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,250,912.29 : 1,525,380,020.20 = 629,057,067.03 : x
  2. Step 2: Convert to fraction form
    1,105,250,912.29/1,525,380,020.20 = 629,057,067.03/x
  3. Step 3: Cross multiply
    1,105,250,912.29x = 1,525,380,020.20 × 629,057,067.03
  4. Step 4: Simplify right side
    1,105,250,912.29x = 959,551,081,613,991,808
  5. Step 5: Solve for x
    x = 959,551,081,613,991,808/1,105,250,912.29
  6. Step 6: Final answer
    x = 868,174,883.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.