Home / 18,510,170,394.51-27,756,503,049.12-7,170,658,552.45

Finding the Fourth Proportional to 18,510,170,394.51, 27,756,503,049.12 and 7,170,658,552.45

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Solution

The fourth proportional to 18,510,170,394.51, 27,756,503,049.12 and 7,170,658,552.45 is: 10,752,597,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510,170,394.51 : 27,756,503,049.12 = 7,170,658,552.45 : x
  2. Step 2: Convert to fraction form
    18,510,170,394.51/27,756,503,049.12 = 7,170,658,552.45/x
  3. Step 3: Cross multiply
    18,510,170,394.51x = 27,756,503,049.12 × 7,170,658,552.45
  4. Step 4: Simplify right side
    18,510,170,394.51x = 199,032,405,975,339,991,040
  5. Step 5: Solve for x
    x = 199,032,405,975,339,991,040/18,510,170,394.51
  6. Step 6: Final answer
    x = 10,752,597,179.46

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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.