Home / 1,212,793,896.30-1,819,190,844.45-1,085,814,926.70

Finding the Fourth Proportional to 1,212,793,896.30, 1,819,190,844.45 and 1,085,814,926.70

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Solution

The fourth proportional to 1,212,793,896.30, 1,819,190,844.45 and 1,085,814,926.70 is: 1,628,722,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,793,896.30 : 1,819,190,844.45 = 1,085,814,926.70 : x
  2. Step 2: Convert to fraction form
    1,212,793,896.30/1,819,190,844.45 = 1,085,814,926.70/x
  3. Step 3: Cross multiply
    1,212,793,896.30x = 1,819,190,844.45 × 1,085,814,926.70
  4. Step 4: Simplify right side
    1,212,793,896.30x = 1,975,304,573,419,788,032
  5. Step 5: Solve for x
    x = 1,975,304,573,419,788,032/1,212,793,896.30
  6. Step 6: Final answer
    x = 1,628,722,390.05

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Double scale
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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.