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Finding the Fourth Proportional to 647,049,036, 970,573,554 and 216,227,532

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Solution

The fourth proportional to 647,049,036, 970,573,554 and 216,227,532 is: 324,341,298

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,049,036 : 970,573,554 = 216,227,532 : x
  2. Step 2: Convert to fraction form
    647,049,036/970,573,554 = 216,227,532/x
  3. Step 3: Cross multiply
    647,049,036x = 970,573,554 × 216,227,532
  4. Step 4: Simplify right side
    647,049,036x = 209,864,724,205,888,736
  5. Step 5: Solve for x
    x = 209,864,724,205,888,736/647,049,036
  6. Step 6: Final answer
    x = 324,341,298

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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.