Home / 14,279,324,136.20-21,418,986,204.30-12,728,366,721.80

Finding the Fourth Proportional to 14,279,324,136.20, 21,418,986,204.30 and 12,728,366,721.80

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Solution

The fourth proportional to 14,279,324,136.20, 21,418,986,204.30 and 12,728,366,721.80 is: 19,092,550,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,324,136.20 : 21,418,986,204.30 = 12,728,366,721.80 : x
  2. Step 2: Convert to fraction form
    14,279,324,136.20/21,418,986,204.30 = 12,728,366,721.80/x
  3. Step 3: Cross multiply
    14,279,324,136.20x = 21,418,986,204.30 × 12,728,366,721.80
  4. Step 4: Simplify right side
    14,279,324,136.20x = 272,628,711,217,505,402,880
  5. Step 5: Solve for x
    x = 272,628,711,217,505,402,880/14,279,324,136.20
  6. Step 6: Final answer
    x = 19,092,550,082.70

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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.