Home / 20,380,475,162.92-30,560,484,786.72-11,874,606,778.04

Finding the Fourth Proportional to 20,380,475,162.92, 30,560,484,786.72 and 11,874,606,778.04

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Solution

The fourth proportional to 20,380,475,162.92, 30,560,484,786.72 and 11,874,606,778.04 is: 17,805,950,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380,475,162.92 : 30,560,484,786.72 = 11,874,606,778.04 : x
  2. Step 2: Convert to fraction form
    20,380,475,162.92/30,560,484,786.72 = 11,874,606,778.04/x
  3. Step 3: Cross multiply
    20,380,475,162.92x = 30,560,484,786.72 × 11,874,606,778.04
  4. Step 4: Simplify right side
    20,380,475,162.92x = 362,893,739,788,573,671,424
  5. Step 5: Solve for x
    x = 362,893,739,788,573,671,424/20,380,475,162.92
  6. Step 6: Final answer
    x = 17,805,950,886.21

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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.