Home / 12,694,396,811.82-17,517,226,310.74-7,473,353,439.09

Finding the Fourth Proportional to 12,694,396,811.82, 17,517,226,310.74 and 7,473,353,439.09

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Solution

The fourth proportional to 12,694,396,811.82, 17,517,226,310.74 and 7,473,353,439.09 is: 10,312,614,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694,396,811.82 : 17,517,226,310.74 = 7,473,353,439.09 : x
  2. Step 2: Convert to fraction form
    12,694,396,811.82/17,517,226,310.74 = 7,473,353,439.09/x
  3. Step 3: Cross multiply
    12,694,396,811.82x = 17,517,226,310.74 × 7,473,353,439.09
  4. Step 4: Simplify right side
    12,694,396,811.82x = 130,912,423,492,686,626,816
  5. Step 5: Solve for x
    x = 130,912,423,492,686,626,816/12,694,396,811.82
  6. Step 6: Final answer
    x = 10,312,614,725.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.