Home / 856,225,233,391.30-1,181,613,216,209.90-465,614,642,469.07

Finding the Fourth Proportional to 856,225,233,391.30, 1,181,613,216,209.90 and 465,614,642,469.07

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Solution

The fourth proportional to 856,225,233,391.30, 1,181,613,216,209.90 and 465,614,642,469.07 is: 642,560,384,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,225,233,391.30 : 1,181,613,216,209.90 = 465,614,642,469.07 : x
  2. Step 2: Convert to fraction form
    856,225,233,391.30/1,181,613,216,209.90 = 465,614,642,469.07/x
  3. Step 3: Cross multiply
    856,225,233,391.30x = 1,181,613,216,209.90 × 465,614,642,469.07
  4. Step 4: Simplify right side
    856,225,233,391.30x = 550,176,415,202,300,437,463,040
  5. Step 5: Solve for x
    x = 550,176,415,202,300,437,463,040/856,225,233,391.30
  6. Step 6: Final answer
    x = 642,560,384,518.44

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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.