Home / 548,443,490.97-822,727,662.39-198,854,192.28

Finding the Fourth Proportional to 548,443,490.97, 822,727,662.39 and 198,854,192.28

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Solution

The fourth proportional to 548,443,490.97, 822,727,662.39 and 198,854,192.28 is: 298,303,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,443,490.97 : 822,727,662.39 = 198,854,192.28 : x
  2. Step 2: Convert to fraction form
    548,443,490.97/822,727,662.39 = 198,854,192.28/x
  3. Step 3: Cross multiply
    548,443,490.97x = 822,727,662.39 × 198,854,192.28
  4. Step 4: Simplify right side
    548,443,490.97x = 163,602,844,770,975,968
  5. Step 5: Solve for x
    x = 163,602,844,770,975,968/548,443,490.97
  6. Step 6: Final answer
    x = 298,303,922.76

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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.