Home / 753,839,873,987.56-1,040,297,609,458.30-411,283,969,015.38

Finding the Fourth Proportional to 753,839,873,987.56, 1,040,297,609,458.30 and 411,283,969,015.38

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Solution

The fourth proportional to 753,839,873,987.56, 1,040,297,609,458.30 and 411,283,969,015.38 is: 567,571,104,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,839,873,987.56 : 1,040,297,609,458.30 = 411,283,969,015.38 : x
  2. Step 2: Convert to fraction form
    753,839,873,987.56/1,040,297,609,458.30 = 411,283,969,015.38/x
  3. Step 3: Cross multiply
    753,839,873,987.56x = 1,040,297,609,458.30 × 411,283,969,015.38
  4. Step 4: Simplify right side
    753,839,873,987.56x = 427,857,729,775,221,398,831,104
  5. Step 5: Solve for x
    x = 427,857,729,775,221,398,831,104/753,839,873,987.56
  6. Step 6: Final answer
    x = 567,571,104,340.76

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.