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Finding the Fourth Proportional to 408,498,735.52, 612,844,943.64 and 117,358,822

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Solution

The fourth proportional to 408,498,735.52, 612,844,943.64 and 117,358,822 is: 176,066,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,498,735.52 : 612,844,943.64 = 117,358,822 : x
  2. Step 2: Convert to fraction form
    408,498,735.52/612,844,943.64 = 117,358,822/x
  3. Step 3: Cross multiply
    408,498,735.52x = 612,844,943.64 × 117,358,822
  4. Step 4: Simplify right side
    408,498,735.52x = 71,922,760,654,246,792
  5. Step 5: Solve for x
    x = 71,922,760,654,246,792/408,498,735.52
  6. Step 6: Final answer
    x = 176,066,054.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.