Home / 17,006,145,653.20-25,509,218,479.80-8,299,016,309.20

Finding the Fourth Proportional to 17,006,145,653.20, 25,509,218,479.80 and 8,299,016,309.20

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Solution

The fourth proportional to 17,006,145,653.20, 25,509,218,479.80 and 8,299,016,309.20 is: 12,448,524,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006,145,653.20 : 25,509,218,479.80 = 8,299,016,309.20 : x
  2. Step 2: Convert to fraction form
    17,006,145,653.20/25,509,218,479.80 = 8,299,016,309.20/x
  3. Step 3: Cross multiply
    17,006,145,653.20x = 25,509,218,479.80 × 8,299,016,309.20
  4. Step 4: Simplify right side
    17,006,145,653.20x = 211,701,420,198,806,224,896
  5. Step 5: Solve for x
    x = 211,701,420,198,806,224,896/17,006,145,653.20
  6. Step 6: Final answer
    x = 12,448,524,463.80

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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.