Home / 444,326,961.66-666,762,860.99-198,891,121.76

Finding the Fourth Proportional to 444,326,961.66, 666,762,860.99 and 198,891,121.76

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Solution

The fourth proportional to 444,326,961.66, 666,762,860.99 and 198,891,121.76 is: 298,458,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,326,961.66 : 666,762,860.99 = 198,891,121.76 : x
  2. Step 2: Convert to fraction form
    444,326,961.66/666,762,860.99 = 198,891,121.76/x
  3. Step 3: Cross multiply
    444,326,961.66x = 666,762,860.99 × 198,891,121.76
  4. Step 4: Simplify right side
    444,326,961.66x = 132,613,213,373,625,696
  5. Step 5: Solve for x
    x = 132,613,213,373,625,696/444,326,961.66
  6. Step 6: Final answer
    x = 298,458,623.53

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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.