Home / 1,131,185,614.57-1,561,011,668.49-654,896,066.29

Finding the Fourth Proportional to 1,131,185,614.57, 1,561,011,668.49 and 654,896,066.29

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Solution

The fourth proportional to 1,131,185,614.57, 1,561,011,668.49 and 654,896,066.29 is: 903,742,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,185,614.57 : 1,561,011,668.49 = 654,896,066.29 : x
  2. Step 2: Convert to fraction form
    1,131,185,614.57/1,561,011,668.49 = 654,896,066.29/x
  3. Step 3: Cross multiply
    1,131,185,614.57x = 1,561,011,668.49 × 654,896,066.29
  4. Step 4: Simplify right side
    1,131,185,614.57x = 1,022,300,401,125,476,608
  5. Step 5: Solve for x
    x = 1,022,300,401,125,476,608/1,131,185,614.57
  6. Step 6: Final answer
    x = 903,742,399.09

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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.