Home / 1,283,123,551.96-1,770,407,011.48-726,206,582.62

Finding the Fourth Proportional to 1,283,123,551.96, 1,770,407,011.48 and 726,206,582.62

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Solution

The fourth proportional to 1,283,123,551.96, 1,770,407,011.48 and 726,206,582.62 is: 1,001,993,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,123,551.96 : 1,770,407,011.48 = 726,206,582.62 : x
  2. Step 2: Convert to fraction form
    1,283,123,551.96/1,770,407,011.48 = 726,206,582.62/x
  3. Step 3: Cross multiply
    1,283,123,551.96x = 1,770,407,011.48 × 726,206,582.62
  4. Step 4: Simplify right side
    1,283,123,551.96x = 1,285,681,225,653,378,048
  5. Step 5: Solve for x
    x = 1,285,681,225,653,378,048/1,283,123,551.96
  6. Step 6: Final answer
    x = 1,001,993,318.33

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Double scale
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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.