Home / 18,195,786,020.42-27,296,611,876.82-5,604,638,611.29

Finding the Fourth Proportional to 18,195,786,020.42, 27,296,611,876.82 and 5,604,638,611.29

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Solution

The fourth proportional to 18,195,786,020.42, 27,296,611,876.82 and 5,604,638,611.29 is: 8,407,861,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,786,020.42 : 27,296,611,876.82 = 5,604,638,611.29 : x
  2. Step 2: Convert to fraction form
    18,195,786,020.42/27,296,611,876.82 = 5,604,638,611.29/x
  3. Step 3: Cross multiply
    18,195,786,020.42x = 27,296,611,876.82 × 5,604,638,611.29
  4. Step 4: Simplify right side
    18,195,786,020.42x = 152,987,644,882,249,285,632
  5. Step 5: Solve for x
    x = 152,987,644,882,249,285,632/18,195,786,020.42
  6. Step 6: Final answer
    x = 8,407,861,287.80

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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.