Home / 358,665,435.45-494,943,008.22-199,887,109.61

Finding the Fourth Proportional to 358,665,435.45, 494,943,008.22 and 199,887,109.61

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Solution

The fourth proportional to 358,665,435.45, 494,943,008.22 and 199,887,109.61 is: 275,835,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,665,435.45 : 494,943,008.22 = 199,887,109.61 : x
  2. Step 2: Convert to fraction form
    358,665,435.45/494,943,008.22 = 199,887,109.61/x
  3. Step 3: Cross multiply
    358,665,435.45x = 494,943,008.22 × 199,887,109.61
  4. Step 4: Simplify right side
    358,665,435.45x = 98,932,727,332,299,552
  5. Step 5: Solve for x
    x = 98,932,727,332,299,552/358,665,435.45
  6. Step 6: Final answer
    x = 275,835,688.51

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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.