Home / 15,598,811,511.18-21,524,543,846.42-8,732,584,123.97

Finding the Fourth Proportional to 15,598,811,511.18, 21,524,543,846.42 and 8,732,584,123.97

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Solution

The fourth proportional to 15,598,811,511.18, 21,524,543,846.42 and 8,732,584,123.97 is: 12,049,949,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598,811,511.18 : 21,524,543,846.42 = 8,732,584,123.97 : x
  2. Step 2: Convert to fraction form
    15,598,811,511.18/21,524,543,846.42 = 8,732,584,123.97/x
  3. Step 3: Cross multiply
    15,598,811,511.18x = 21,524,543,846.42 × 8,732,584,123.97
  4. Step 4: Simplify right side
    15,598,811,511.18x = 187,964,889,868,792,168,448
  5. Step 5: Solve for x
    x = 187,964,889,868,792,168,448/15,598,811,511.18
  6. Step 6: Final answer
    x = 12,049,949,429.42

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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.