Home / 280,960,694.70-421,441,042.05-276,656,022.60

Finding the Fourth Proportional to 280,960,694.70, 421,441,042.05 and 276,656,022.60

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Solution

The fourth proportional to 280,960,694.70, 421,441,042.05 and 276,656,022.60 is: 414,984,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,960,694.70 : 421,441,042.05 = 276,656,022.60 : x
  2. Step 2: Convert to fraction form
    280,960,694.70/421,441,042.05 = 276,656,022.60/x
  3. Step 3: Cross multiply
    280,960,694.70x = 421,441,042.05 × 276,656,022.60
  4. Step 4: Simplify right side
    280,960,694.70x = 116,594,202,453,952,368
  5. Step 5: Solve for x
    x = 116,594,202,453,952,368/280,960,694.70
  6. Step 6: Final answer
    x = 414,984,033.90

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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.