Home / 472,393,067.20-708,589,600.80-411,926,891.20

Finding the Fourth Proportional to 472,393,067.20, 708,589,600.80 and 411,926,891.20

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Solution

The fourth proportional to 472,393,067.20, 708,589,600.80 and 411,926,891.20 is: 617,890,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,067.20 : 708,589,600.80 = 411,926,891.20 : x
  2. Step 2: Convert to fraction form
    472,393,067.20/708,589,600.80 = 411,926,891.20/x
  3. Step 3: Cross multiply
    472,393,067.20x = 708,589,600.80 × 411,926,891.20
  4. Step 4: Simplify right side
    472,393,067.20x = 291,887,111,394,193,024
  5. Step 5: Solve for x
    x = 291,887,111,394,193,024/472,393,067.20
  6. Step 6: Final answer
    x = 617,890,336.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.