Home / 298,965,982.59-412,777,055.84-193,375,348.11

Finding the Fourth Proportional to 298,965,982.59, 412,777,055.84 and 193,375,348.11

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Solution

The fourth proportional to 298,965,982.59, 412,777,055.84 and 193,375,348.11 is: 266,989,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,965,982.59 : 412,777,055.84 = 193,375,348.11 : x
  2. Step 2: Convert to fraction form
    298,965,982.59/412,777,055.84 = 193,375,348.11/x
  3. Step 3: Cross multiply
    298,965,982.59x = 412,777,055.84 × 193,375,348.11
  4. Step 4: Simplify right side
    298,965,982.59x = 79,820,906,863,914,032
  5. Step 5: Solve for x
    x = 79,820,906,863,914,032/298,965,982.59
  6. Step 6: Final answer
    x = 266,989,930.33

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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.