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Finding the Fourth Proportional to 1,321,661,804.00, 1,982,718,564.79 and 544,882,837.82

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Solution

The fourth proportional to 1,321,661,804.00, 1,982,718,564.79 and 544,882,837.82 is: 817,417,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,661,804.00 : 1,982,718,564.79 = 544,882,837.82 : x
  2. Step 2: Convert to fraction form
    1,321,661,804.00/1,982,718,564.79 = 544,882,837.82/x
  3. Step 3: Cross multiply
    1,321,661,804.00x = 1,982,718,564.79 × 544,882,837.82
  4. Step 4: Simplify right side
    1,321,661,804.00x = 1,080,349,318,190,981,632
  5. Step 5: Solve for x
    x = 1,080,349,318,190,981,632/1,321,661,804.00
  6. Step 6: Final answer
    x = 817,417,371.76

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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.