Home / 18,618,176,098.80-27,940,869,037.80-13,108,195,810.80

Finding the Fourth Proportional to 18,618,176,098.80, 27,940,869,037.80 and 13,108,195,810.80

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Solution

The fourth proportional to 18,618,176,098.80, 27,940,869,037.80 and 13,108,195,810.80 is: 19,671,872,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618,176,098.80 : 27,940,869,037.80 = 13,108,195,810.80 : x
  2. Step 2: Convert to fraction form
    18,618,176,098.80/27,940,869,037.80 = 13,108,195,810.80/x
  3. Step 3: Cross multiply
    18,618,176,098.80x = 27,940,869,037.80 × 13,108,195,810.80
  4. Step 4: Simplify right side
    18,618,176,098.80x = 366,254,382,471,401,373,696
  5. Step 5: Solve for x
    x = 366,254,382,471,401,373,696/18,618,176,098.80
  6. Step 6: Final answer
    x = 19,671,872,289.09

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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.