Home / 329,396,574.57-494,098,405.32-99,367,653.21

Finding the Fourth Proportional to 329,396,574.57, 494,098,405.32 and 99,367,653.21

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Solution

The fourth proportional to 329,396,574.57, 494,098,405.32 and 99,367,653.21 is: 149,052,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,396,574.57 : 494,098,405.32 = 99,367,653.21 : x
  2. Step 2: Convert to fraction form
    329,396,574.57/494,098,405.32 = 99,367,653.21/x
  3. Step 3: Cross multiply
    329,396,574.57x = 494,098,405.32 × 99,367,653.21
  4. Step 4: Simplify right side
    329,396,574.57x = 49,097,398,991,451,776
  5. Step 5: Solve for x
    x = 49,097,398,991,451,776/329,396,574.57
  6. Step 6: Final answer
    x = 149,052,548.76

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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.