Home / 33,011,752,512.80-49,517,628,769.20-21,257,127,898.40

Finding the Fourth Proportional to 33,011,752,512.80, 49,517,628,769.20 and 21,257,127,898.40

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Solution

The fourth proportional to 33,011,752,512.80, 49,517,628,769.20 and 21,257,127,898.40 is: 31,885,691,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011,752,512.80 : 49,517,628,769.20 = 21,257,127,898.40 : x
  2. Step 2: Convert to fraction form
    33,011,752,512.80/49,517,628,769.20 = 21,257,127,898.40/x
  3. Step 3: Cross multiply
    33,011,752,512.80x = 49,517,628,769.20 × 21,257,127,898.40
  4. Step 4: Simplify right side
    33,011,752,512.80x = 1,052,602,567,972,375,756,800
  5. Step 5: Solve for x
    x = 1,052,602,567,972,375,756,800/33,011,752,512.80
  6. Step 6: Final answer
    x = 31,885,691,847.60

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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.