Home / 666,192,707.96-998,580,473.88-251,493,352.43

Finding the Fourth Proportional to 666,192,707.96, 998,580,473.88 and 251,493,352.43

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Solution

The fourth proportional to 666,192,707.96, 998,580,473.88 and 251,493,352.43 is: 376,972,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,192,707.96 : 998,580,473.88 = 251,493,352.43 : x
  2. Step 2: Convert to fraction form
    666,192,707.96/998,580,473.88 = 251,493,352.43/x
  3. Step 3: Cross multiply
    666,192,707.96x = 998,580,473.88 × 251,493,352.43
  4. Step 4: Simplify right side
    666,192,707.96x = 251,136,351,042,226,368
  5. Step 5: Solve for x
    x = 251,136,351,042,226,368/666,192,707.96
  6. Step 6: Final answer
    x = 376,972,530.69

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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.