Home / 486,366,135.57-729,439,799.52-223,798,824.81

Finding the Fourth Proportional to 486,366,135.57, 729,439,799.52 and 223,798,824.81

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Solution

The fourth proportional to 486,366,135.57, 729,439,799.52 and 223,798,824.81 is: 335,647,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,366,135.57 : 729,439,799.52 = 223,798,824.81 : x
  2. Step 2: Convert to fraction form
    486,366,135.57/729,439,799.52 = 223,798,824.81/x
  3. Step 3: Cross multiply
    486,366,135.57x = 729,439,799.52 × 223,798,824.81
  4. Step 4: Simplify right side
    486,366,135.57x = 163,247,769,902,217,984
  5. Step 5: Solve for x
    x = 163,247,769,902,217,984/486,366,135.57
  6. Step 6: Final answer
    x = 335,647,895.61

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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.