Home / 555,236,448.82-827,890,716.52-539,981,767.21

Finding the Fourth Proportional to 555,236,448.82, 827,890,716.52 and 539,981,767.21

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Solution

The fourth proportional to 555,236,448.82, 827,890,716.52 and 539,981,767.21 is: 805,145,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,236,448.82 : 827,890,716.52 = 539,981,767.21 : x
  2. Step 2: Convert to fraction form
    555,236,448.82/827,890,716.52 = 539,981,767.21/x
  3. Step 3: Cross multiply
    555,236,448.82x = 827,890,716.52 × 539,981,767.21
  4. Step 4: Simplify right side
    555,236,448.82x = 447,045,892,163,222,784
  5. Step 5: Solve for x
    x = 447,045,892,163,222,784/555,236,448.82
  6. Step 6: Final answer
    x = 805,145,074.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.