Home / 358,665,391.05-494,942,946.92-199,887,065.10

Finding the Fourth Proportional to 358,665,391.05, 494,942,946.92 and 199,887,065.10

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Solution

The fourth proportional to 358,665,391.05, 494,942,946.92 and 199,887,065.10 is: 275,835,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,665,391.05 : 494,942,946.92 = 199,887,065.10 : x
  2. Step 2: Convert to fraction form
    358,665,391.05/494,942,946.92 = 199,887,065.10/x
  3. Step 3: Cross multiply
    358,665,391.05x = 494,942,946.92 × 199,887,065.10
  4. Step 4: Simplify right side
    358,665,391.05x = 98,932,693,051,532,016
  5. Step 5: Solve for x
    x = 98,932,693,051,532,016/358,665,391.05
  6. Step 6: Final answer
    x = 275,835,627.08

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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.