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Finding the Fourth Proportional to 608,018,693.68, 839,067,033.68 and 329,560,405.84

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Solution

The fourth proportional to 608,018,693.68, 839,067,033.68 and 329,560,405.84 is: 454,794,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,018,693.68 : 839,067,033.68 = 329,560,405.84 : x
  2. Step 2: Convert to fraction form
    608,018,693.68/839,067,033.68 = 329,560,405.84/x
  3. Step 3: Cross multiply
    608,018,693.68x = 839,067,033.68 × 329,560,405.84
  4. Step 4: Simplify right side
    608,018,693.68x = 276,523,272,151,394,368
  5. Step 5: Solve for x
    x = 276,523,272,151,394,368/608,018,693.68
  6. Step 6: Final answer
    x = 454,794,030.22

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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.