Home / 393,198,622.20-590,010,509.70-163,190,957.40

Finding the Fourth Proportional to 393,198,622.20, 590,010,509.70 and 163,190,957.40

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Solution

The fourth proportional to 393,198,622.20, 590,010,509.70 and 163,190,957.40 is: 244,874,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,198,622.20 : 590,010,509.70 = 163,190,957.40 : x
  2. Step 2: Convert to fraction form
    393,198,622.20/590,010,509.70 = 163,190,957.40/x
  3. Step 3: Cross multiply
    393,198,622.20x = 590,010,509.70 × 163,190,957.40
  4. Step 4: Simplify right side
    393,198,622.20x = 96,284,379,954,004,992
  5. Step 5: Solve for x
    x = 96,284,379,954,004,992/393,198,622.20
  6. Step 6: Final answer
    x = 244,874,662.62

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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.