Home / 587,087,642.12-810,181,465.26-322,774,131.56

Finding the Fourth Proportional to 587,087,642.12, 810,181,465.26 and 322,774,131.56

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Solution

The fourth proportional to 587,087,642.12, 810,181,465.26 and 322,774,131.56 is: 445,428,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,087,642.12 : 810,181,465.26 = 322,774,131.56 : x
  2. Step 2: Convert to fraction form
    587,087,642.12/810,181,465.26 = 322,774,131.56/x
  3. Step 3: Cross multiply
    587,087,642.12x = 810,181,465.26 × 322,774,131.56
  4. Step 4: Simplify right side
    587,087,642.12x = 261,505,618,855,304,800
  5. Step 5: Solve for x
    x = 261,505,618,855,304,800/587,087,642.12
  6. Step 6: Final answer
    x = 445,428,586.97

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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.