Home / 1,306,507,103.31-1,802,974,365.14-711,789,736.19

Finding the Fourth Proportional to 1,306,507,103.31, 1,802,974,365.14 and 711,789,736.19

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Solution

The fourth proportional to 1,306,507,103.31, 1,802,974,365.14 and 711,789,736.19 is: 982,266,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,507,103.31 : 1,802,974,365.14 = 711,789,736.19 : x
  2. Step 2: Convert to fraction form
    1,306,507,103.31/1,802,974,365.14 = 711,789,736.19/x
  3. Step 3: Cross multiply
    1,306,507,103.31x = 1,802,974,365.14 × 711,789,736.19
  4. Step 4: Simplify right side
    1,306,507,103.31x = 1,283,338,647,720,333,568
  5. Step 5: Solve for x
    x = 1,283,338,647,720,333,568/1,306,507,103.31
  6. Step 6: Final answer
    x = 982,266,873.61

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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.