Home / 18,327,723,292.80-27,480,333,902.04-7,122,514,049.28

Finding the Fourth Proportional to 18,327,723,292.80, 27,480,333,902.04 and 7,122,514,049.28

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Solution

The fourth proportional to 18,327,723,292.80, 27,480,333,902.04 and 7,122,514,049.28 is: 10,679,398,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327,723,292.80 : 27,480,333,902.04 = 7,122,514,049.28 : x
  2. Step 2: Convert to fraction form
    18,327,723,292.80/27,480,333,902.04 = 7,122,514,049.28/x
  3. Step 3: Cross multiply
    18,327,723,292.80x = 27,480,333,902.04 × 7,122,514,049.28
  4. Step 4: Simplify right side
    18,327,723,292.80x = 195,729,064,296,185,397,248
  5. Step 5: Solve for x
    x = 195,729,064,296,185,397,248/18,327,723,292.80
  6. Step 6: Final answer
    x = 10,679,398,699.41

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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.