Home / 336,707,100.70-505,060,651.05-221,821,366.30

Finding the Fourth Proportional to 336,707,100.70, 505,060,651.05 and 221,821,366.30

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Solution

The fourth proportional to 336,707,100.70, 505,060,651.05 and 221,821,366.30 is: 332,732,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,707,100.70 : 505,060,651.05 = 221,821,366.30 : x
  2. Step 2: Convert to fraction form
    336,707,100.70/505,060,651.05 = 221,821,366.30/x
  3. Step 3: Cross multiply
    336,707,100.70x = 505,060,651.05 × 221,821,366.30
  4. Step 4: Simplify right side
    336,707,100.70x = 112,033,243,680,278,544
  5. Step 5: Solve for x
    x = 112,033,243,680,278,544/336,707,100.70
  6. Step 6: Final answer
    x = 332,732,049.45

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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.