Home / 481,202,981.64-721,688,899.68-222,169,321.44

Finding the Fourth Proportional to 481,202,981.64, 721,688,899.68 and 222,169,321.44

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Solution

The fourth proportional to 481,202,981.64, 721,688,899.68 and 222,169,321.44 is: 333,200,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,202,981.64 : 721,688,899.68 = 222,169,321.44 : x
  2. Step 2: Convert to fraction form
    481,202,981.64/721,688,899.68 = 222,169,321.44/x
  3. Step 3: Cross multiply
    481,202,981.64x = 721,688,899.68 × 222,169,321.44
  4. Step 4: Simplify right side
    481,202,981.64x = 160,337,133,132,685,824
  5. Step 5: Solve for x
    x = 160,337,133,132,685,824/481,202,981.64
  6. Step 6: Final answer
    x = 333,200,622.71

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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.