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Finding the Fourth Proportional to 1,794,453,848.80, 2,694,452,139.60 and 978,160,472.80

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Solution

The fourth proportional to 1,794,453,848.80, 2,694,452,139.60 and 978,160,472.80 is: 1,468,751,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,453,848.80 : 2,694,452,139.60 = 978,160,472.80 : x
  2. Step 2: Convert to fraction form
    1,794,453,848.80/2,694,452,139.60 = 978,160,472.80/x
  3. Step 3: Cross multiply
    1,794,453,848.80x = 2,694,452,139.60 × 978,160,472.80
  4. Step 4: Simplify right side
    1,794,453,848.80x = 2,635,606,578,808,107,520
  5. Step 5: Solve for x
    x = 2,635,606,578,808,107,520/1,794,453,848.80
  6. Step 6: Final answer
    x = 1,468,751,386.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.