Home / 12,824,571,872.70-19,236,857,809.05-7,664,791,520.70

Finding the Fourth Proportional to 12,824,571,872.70, 19,236,857,809.05 and 7,664,791,520.70

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Solution

The fourth proportional to 12,824,571,872.70, 19,236,857,809.05 and 7,664,791,520.70 is: 11,497,187,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,571,872.70 : 19,236,857,809.05 = 7,664,791,520.70 : x
  2. Step 2: Convert to fraction form
    12,824,571,872.70/19,236,857,809.05 = 7,664,791,520.70/x
  3. Step 3: Cross multiply
    12,824,571,872.70x = 19,236,857,809.05 × 7,664,791,520.70
  4. Step 4: Simplify right side
    12,824,571,872.70x = 147,446,504,619,718,017,024
  5. Step 5: Solve for x
    x = 147,446,504,619,718,017,024/12,824,571,872.70
  6. Step 6: Final answer
    x = 11,497,187,281.05

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Double scale
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Similar ratio
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1.5x scale

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.