Home / 325,473,149.28-449,270,806.32-215,500,291.68

Finding the Fourth Proportional to 325,473,149.28, 449,270,806.32 and 215,500,291.68

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Solution

The fourth proportional to 325,473,149.28, 449,270,806.32 and 215,500,291.68 is: 297,468,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,473,149.28 : 449,270,806.32 = 215,500,291.68 : x
  2. Step 2: Convert to fraction form
    325,473,149.28/449,270,806.32 = 215,500,291.68/x
  3. Step 3: Cross multiply
    325,473,149.28x = 449,270,806.32 × 215,500,291.68
  4. Step 4: Simplify right side
    325,473,149.28x = 96,817,989,805,268,784
  5. Step 5: Solve for x
    x = 96,817,989,805,268,784/325,473,149.28
  6. Step 6: Final answer
    x = 297,468,439.47

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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.