Home / 422,577,021.60-633,865,532.40-192,994,509.60

Finding the Fourth Proportional to 422,577,021.60, 633,865,532.40 and 192,994,509.60

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Solution

The fourth proportional to 422,577,021.60, 633,865,532.40 and 192,994,509.60 is: 289,491,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,577,021.60 : 633,865,532.40 = 192,994,509.60 : x
  2. Step 2: Convert to fraction form
    422,577,021.60/633,865,532.40 = 192,994,509.60/x
  3. Step 3: Cross multiply
    422,577,021.60x = 633,865,532.40 × 192,994,509.60
  4. Step 4: Simplify right side
    422,577,021.60x = 122,332,567,577,880,896
  5. Step 5: Solve for x
    x = 122,332,567,577,880,896/422,577,021.60
  6. Step 6: Final answer
    x = 289,491,764.40

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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.