Home / 442,941,805.61-664,322,519.80-162,726,410.42

Finding the Fourth Proportional to 442,941,805.61, 664,322,519.80 and 162,726,410.42

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Solution

The fourth proportional to 442,941,805.61, 664,322,519.80 and 162,726,410.42 is: 244,056,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,941,805.61 : 664,322,519.80 = 162,726,410.42 : x
  2. Step 2: Convert to fraction form
    442,941,805.61/664,322,519.80 = 162,726,410.42/x
  3. Step 3: Cross multiply
    442,941,805.61x = 664,322,519.80 × 162,726,410.42
  4. Step 4: Simplify right side
    442,941,805.61x = 108,102,819,008,223,360
  5. Step 5: Solve for x
    x = 108,102,819,008,223,360/442,941,805.61
  6. Step 6: Final answer
    x = 244,056,482.45

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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.