Home / 661,544,659.68-992,344,385.03-195,206,067.90

Finding the Fourth Proportional to 661,544,659.68, 992,344,385.03 and 195,206,067.90

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Solution

The fourth proportional to 661,544,659.68, 992,344,385.03 and 195,206,067.90 is: 292,817,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,544,659.68 : 992,344,385.03 = 195,206,067.90 : x
  2. Step 2: Convert to fraction form
    661,544,659.68/992,344,385.03 = 195,206,067.90/x
  3. Step 3: Cross multiply
    661,544,659.68x = 992,344,385.03 × 195,206,067.90
  4. Step 4: Simplify right side
    661,544,659.68x = 193,711,645,403,373,888
  5. Step 5: Solve for x
    x = 193,711,645,403,373,888/661,544,659.68
  6. Step 6: Final answer
    x = 292,817,185.61

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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.