Home / 358,233,288.63-494,382,284.79-215,222,794.83

Finding the Fourth Proportional to 358,233,288.63, 494,382,284.79 and 215,222,794.83

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Solution

The fourth proportional to 358,233,288.63, 494,382,284.79 and 215,222,794.83 is: 297,019,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,233,288.63 : 494,382,284.79 = 215,222,794.83 : x
  2. Step 2: Convert to fraction form
    358,233,288.63/494,382,284.79 = 215,222,794.83/x
  3. Step 3: Cross multiply
    358,233,288.63x = 494,382,284.79 × 215,222,794.83
  4. Step 4: Simplify right side
    358,233,288.63x = 106,402,337,046,944,816
  5. Step 5: Solve for x
    x = 106,402,337,046,944,816/358,233,288.63
  6. Step 6: Final answer
    x = 297,019,680.82

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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.