Home / 1,208,016,098.26-1,812,026,249.31-379,033,359.16

Finding the Fourth Proportional to 1,208,016,098.26, 1,812,026,249.31 and 379,033,359.16

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Solution

The fourth proportional to 1,208,016,098.26, 1,812,026,249.31 and 379,033,359.16 is: 568,550,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,016,098.26 : 1,812,026,249.31 = 379,033,359.16 : x
  2. Step 2: Convert to fraction form
    1,208,016,098.26/1,812,026,249.31 = 379,033,359.16/x
  3. Step 3: Cross multiply
    1,208,016,098.26x = 1,812,026,249.31 × 379,033,359.16
  4. Step 4: Simplify right side
    1,208,016,098.26x = 686,818,396,162,064,896
  5. Step 5: Solve for x
    x = 686,818,396,162,064,896/1,208,016,098.26
  6. Step 6: Final answer
    x = 568,550,698.25

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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.