Home / 358,053,272.82-494,078,881.41-201,474,570.42

Finding the Fourth Proportional to 358,053,272.82, 494,078,881.41 and 201,474,570.42

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Solution

The fourth proportional to 358,053,272.82, 494,078,881.41 and 201,474,570.42 is: 278,015,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,053,272.82 : 494,078,881.41 = 201,474,570.42 : x
  2. Step 2: Convert to fraction form
    358,053,272.82/494,078,881.41 = 201,474,570.42/x
  3. Step 3: Cross multiply
    358,053,272.82x = 494,078,881.41 × 201,474,570.42
  4. Step 4: Simplify right side
    358,053,272.82x = 99,544,330,385,673,872
  5. Step 5: Solve for x
    x = 99,544,330,385,673,872/358,053,272.82
  6. Step 6: Final answer
    x = 278,015,418.21

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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.