Home / 303,668,585.24-455,311,471.62-257,626,578.20

Finding the Fourth Proportional to 303,668,585.24, 455,311,471.62 and 257,626,578.20

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Solution

The fourth proportional to 303,668,585.24, 455,311,471.62 and 257,626,578.20 is: 386,277,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,668,585.24 : 455,311,471.62 = 257,626,578.20 : x
  2. Step 2: Convert to fraction form
    303,668,585.24/455,311,471.62 = 257,626,578.20/x
  3. Step 3: Cross multiply
    303,668,585.24x = 455,311,471.62 × 257,626,578.20
  4. Step 4: Simplify right side
    303,668,585.24x = 117,300,336,448,667,008
  5. Step 5: Solve for x
    x = 117,300,336,448,667,008/303,668,585.24
  6. Step 6: Final answer
    x = 386,277,481.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.