Home / 1,028,405,314.56-1,419,633,624.96-694,330,392.96

Finding the Fourth Proportional to 1,028,405,314.56, 1,419,633,624.96 and 694,330,392.96

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Solution

The fourth proportional to 1,028,405,314.56, 1,419,633,624.96 and 694,330,392.96 is: 958,469,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,405,314.56 : 1,419,633,624.96 = 694,330,392.96 : x
  2. Step 2: Convert to fraction form
    1,028,405,314.56/1,419,633,624.96 = 694,330,392.96/x
  3. Step 3: Cross multiply
    1,028,405,314.56x = 1,419,633,624.96 × 694,330,392.96
  4. Step 4: Simplify right side
    1,028,405,314.56x = 985,694,772,677,706,112
  5. Step 5: Solve for x
    x = 985,694,772,677,706,112/1,028,405,314.56
  6. Step 6: Final answer
    x = 958,469,154.84

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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.