Home / 336,707,072.70-505,060,609.05-221,821,338.30

Finding the Fourth Proportional to 336,707,072.70, 505,060,609.05 and 221,821,338.30

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Solution

The fourth proportional to 336,707,072.70, 505,060,609.05 and 221,821,338.30 is: 332,732,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,707,072.70 : 505,060,609.05 = 221,821,338.30 : x
  2. Step 2: Convert to fraction form
    336,707,072.70/505,060,609.05 = 221,821,338.30/x
  3. Step 3: Cross multiply
    336,707,072.70x = 505,060,609.05 × 221,821,338.30
  4. Step 4: Simplify right side
    336,707,072.70x = 112,033,220,222,084,096
  5. Step 5: Solve for x
    x = 112,033,220,222,084,096/336,707,072.70
  6. Step 6: Final answer
    x = 332,732,007.45

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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.