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Finding the Fourth Proportional to 608,018,703.24, 839,067,046.86 and 329,560,415.40

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Solution

The fourth proportional to 608,018,703.24, 839,067,046.86 and 329,560,415.40 is: 454,794,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,018,703.24 : 839,067,046.86 = 329,560,415.40 : x
  2. Step 2: Convert to fraction form
    608,018,703.24/839,067,046.86 = 329,560,415.40/x
  3. Step 3: Cross multiply
    608,018,703.24x = 839,067,046.86 × 329,560,415.40
  4. Step 4: Simplify right side
    608,018,703.24x = 276,523,284,511,632,864
  5. Step 5: Solve for x
    x = 276,523,284,511,632,864/608,018,703.24
  6. Step 6: Final answer
    x = 454,794,043.40

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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.