Home / 323,302,912.20-484,954,368.30-221,266,240.20

Finding the Fourth Proportional to 323,302,912.20, 484,954,368.30 and 221,266,240.20

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Solution

The fourth proportional to 323,302,912.20, 484,954,368.30 and 221,266,240.20 is: 331,899,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,302,912.20 : 484,954,368.30 = 221,266,240.20 : x
  2. Step 2: Convert to fraction form
    323,302,912.20/484,954,368.30 = 221,266,240.20/x
  3. Step 3: Cross multiply
    323,302,912.20x = 484,954,368.30 × 221,266,240.20
  4. Step 4: Simplify right side
    323,302,912.20x = 107,304,029,742,307,056
  5. Step 5: Solve for x
    x = 107,304,029,742,307,056/323,302,912.20
  6. Step 6: Final answer
    x = 331,899,360.30

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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.