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Finding the Fourth Proportional to 650,399,992.61, 897,552,851.33 and 353,042,041.73

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Solution

The fourth proportional to 650,399,992.61, 897,552,851.33 and 353,042,041.73 is: 487,198,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,399,992.61 : 897,552,851.33 = 353,042,041.73 : x
  2. Step 2: Convert to fraction form
    650,399,992.61/897,552,851.33 = 353,042,041.73/x
  3. Step 3: Cross multiply
    650,399,992.61x = 897,552,851.33 × 353,042,041.73
  4. Step 4: Simplify right side
    650,399,992.61x = 316,873,891,192,361,152
  5. Step 5: Solve for x
    x = 316,873,891,192,361,152/650,399,992.61
  6. Step 6: Final answer
    x = 487,198,485.23

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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.