Home / 301,215,616.20-451,823,424.30-209,382,611.40

Finding the Fourth Proportional to 301,215,616.20, 451,823,424.30 and 209,382,611.40

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Solution

The fourth proportional to 301,215,616.20, 451,823,424.30 and 209,382,611.40 is: 314,073,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,215,616.20 : 451,823,424.30 = 209,382,611.40 : x
  2. Step 2: Convert to fraction form
    301,215,616.20/451,823,424.30 = 209,382,611.40/x
  3. Step 3: Cross multiply
    301,215,616.20x = 451,823,424.30 × 209,382,611.40
  4. Step 4: Simplify right side
    301,215,616.20x = 94,603,968,471,624,224
  5. Step 5: Solve for x
    x = 94,603,968,471,624,224/301,215,616.20
  6. Step 6: Final answer
    x = 314,073,917.10

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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.