Home / 1,283,123,552.96-1,770,407,012.86-726,206,583.62

Finding the Fourth Proportional to 1,283,123,552.96, 1,770,407,012.86 and 726,206,583.62

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Solution

The fourth proportional to 1,283,123,552.96, 1,770,407,012.86 and 726,206,583.62 is: 1,001,993,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,123,552.96 : 1,770,407,012.86 = 726,206,583.62 : x
  2. Step 2: Convert to fraction form
    1,283,123,552.96/1,770,407,012.86 = 726,206,583.62/x
  3. Step 3: Cross multiply
    1,283,123,552.96x = 1,770,407,012.86 × 726,206,583.62
  4. Step 4: Simplify right side
    1,283,123,552.96x = 1,285,681,228,425,949,952
  5. Step 5: Solve for x
    x = 1,285,681,228,425,949,952/1,283,123,552.96
  6. Step 6: Final answer
    x = 1,001,993,319.71

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Double scale
Find fourth proportional to 1,283,123,553.96, 1,770,407,014.24 and 726,206,584.62
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1.5x scale

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.