Home / 656,098,367.40-984,159,215.10-196,042,213.80

Finding the Fourth Proportional to 656,098,367.40, 984,159,215.10 and 196,042,213.80

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Solution

The fourth proportional to 656,098,367.40, 984,159,215.10 and 196,042,213.80 is: 294,066,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,098,367.40 : 984,159,215.10 = 196,042,213.80 : x
  2. Step 2: Convert to fraction form
    656,098,367.40/984,159,215.10 = 196,042,213.80/x
  3. Step 3: Cross multiply
    656,098,367.40x = 984,159,215.10 × 196,042,213.80
  4. Step 4: Simplify right side
    656,098,367.40x = 192,936,751,259,874,400
  5. Step 5: Solve for x
    x = 192,936,751,259,874,400/656,098,367.40
  6. Step 6: Final answer
    x = 294,066,805.90

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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.