Home / 15,669,297,819.39-21,623,416,983.57-8,895,057,257.61

Finding the Fourth Proportional to 15,669,297,819.39, 21,623,416,983.57 and 8,895,057,257.61

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Solution

The fourth proportional to 15,669,297,819.39, 21,623,416,983.57 and 8,895,057,257.61 is: 12,275,057,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669,297,819.39 : 21,623,416,983.57 = 8,895,057,257.61 : x
  2. Step 2: Convert to fraction form
    15,669,297,819.39/21,623,416,983.57 = 8,895,057,257.61/x
  3. Step 3: Cross multiply
    15,669,297,819.39x = 21,623,416,983.57 × 8,895,057,257.61
  4. Step 4: Simplify right side
    15,669,297,819.39x = 192,341,532,174,031,683,584
  5. Step 5: Solve for x
    x = 192,341,532,174,031,683,584/15,669,297,819.39
  6. Step 6: Final answer
    x = 12,275,057,529.13

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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.