Home / 19,887,761,234.68-27,441,013,511.39-11,427,950,581.65

Finding the Fourth Proportional to 19,887,761,234.68, 27,441,013,511.39 and 11,427,950,581.65

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Solution

The fourth proportional to 19,887,761,234.68, 27,441,013,511.39 and 11,427,950,581.65 is: 15,768,217,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887,761,234.68 : 27,441,013,511.39 = 11,427,950,581.65 : x
  2. Step 2: Convert to fraction form
    19,887,761,234.68/27,441,013,511.39 = 11,427,950,581.65/x
  3. Step 3: Cross multiply
    19,887,761,234.68x = 27,441,013,511.39 × 11,427,950,581.65
  4. Step 4: Simplify right side
    19,887,761,234.68x = 313,594,546,318,509,146,112
  5. Step 5: Solve for x
    x = 313,594,546,318,509,146,112/19,887,761,234.68
  6. Step 6: Final answer
    x = 15,768,217,579.55

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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.