Home / 1,081,150,563.96-1,491,930,324.90-611,223,794.10

Finding the Fourth Proportional to 1,081,150,563.96, 1,491,930,324.90 and 611,223,794.10

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Solution

The fourth proportional to 1,081,150,563.96, 1,491,930,324.90 and 611,223,794.10 is: 843,456,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,150,563.96 : 1,491,930,324.90 = 611,223,794.10 : x
  2. Step 2: Convert to fraction form
    1,081,150,563.96/1,491,930,324.90 = 611,223,794.10/x
  3. Step 3: Cross multiply
    1,081,150,563.96x = 1,491,930,324.90 × 611,223,794.10
  4. Step 4: Simplify right side
    1,081,150,563.96x = 911,903,313,718,223,744
  5. Step 5: Solve for x
    x = 911,903,313,718,223,744/1,081,150,563.96
  6. Step 6: Final answer
    x = 843,456,354.85

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Half scale
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Double scale
Find fourth proportional to 1,081,150,564.96, 1,491,930,326.28 and 611,223,795.10
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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.