Home / 329,976,993.16-494,962,337.74-200,620,317.32

Finding the Fourth Proportional to 329,976,993.16, 494,962,337.74 and 200,620,317.32

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Solution

The fourth proportional to 329,976,993.16, 494,962,337.74 and 200,620,317.32 is: 300,928,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,976,993.16 : 494,962,337.74 = 200,620,317.32 : x
  2. Step 2: Convert to fraction form
    329,976,993.16/494,962,337.74 = 200,620,317.32/x
  3. Step 3: Cross multiply
    329,976,993.16x = 494,962,337.74 × 200,620,317.32
  4. Step 4: Simplify right side
    329,976,993.16x = 99,299,501,258,847,808
  5. Step 5: Solve for x
    x = 99,299,501,258,847,808/329,976,993.16
  6. Step 6: Final answer
    x = 300,928,559.62

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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.