Home / 494,189,947.20-741,284,920.80-313,239,316.80

Finding the Fourth Proportional to 494,189,947.20, 741,284,920.80 and 313,239,316.80

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Solution

The fourth proportional to 494,189,947.20, 741,284,920.80 and 313,239,316.80 is: 469,858,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,189,947.20 : 741,284,920.80 = 313,239,316.80 : x
  2. Step 2: Convert to fraction form
    494,189,947.20/741,284,920.80 = 313,239,316.80/x
  3. Step 3: Cross multiply
    494,189,947.20x = 741,284,920.80 × 313,239,316.80
  4. Step 4: Simplify right side
    494,189,947.20x = 232,199,582,145,534,112
  5. Step 5: Solve for x
    x = 232,199,582,145,534,112/494,189,947.20
  6. Step 6: Final answer
    x = 469,858,975.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.