Home / 1,028,405,317.56-1,419,633,629.10-694,330,395.96

Finding the Fourth Proportional to 1,028,405,317.56, 1,419,633,629.10 and 694,330,395.96

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Solution

The fourth proportional to 1,028,405,317.56, 1,419,633,629.10 and 694,330,395.96 is: 958,469,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,405,317.56 : 1,419,633,629.10 = 694,330,395.96 : x
  2. Step 2: Convert to fraction form
    1,028,405,317.56/1,419,633,629.10 = 694,330,395.96/x
  3. Step 3: Cross multiply
    1,028,405,317.56x = 1,419,633,629.10 × 694,330,395.96
  4. Step 4: Simplify right side
    1,028,405,317.56x = 985,694,779,811,134,720
  5. Step 5: Solve for x
    x = 985,694,779,811,134,720/1,028,405,317.56
  6. Step 6: Final answer
    x = 958,469,158.98

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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.