Home / 10,612,139,786.72-15,909,822,292.08-5,297,524,344.80

Finding the Fourth Proportional to 10,612,139,786.72, 15,909,822,292.08 and 5,297,524,344.80

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Solution

The fourth proportional to 10,612,139,786.72, 15,909,822,292.08 and 5,297,524,344.80 is: 7,942,099,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612,139,786.72 : 15,909,822,292.08 = 5,297,524,344.80 : x
  2. Step 2: Convert to fraction form
    10,612,139,786.72/15,909,822,292.08 = 5,297,524,344.80/x
  3. Step 3: Cross multiply
    10,612,139,786.72x = 15,909,822,292.08 × 5,297,524,344.80
  4. Step 4: Simplify right side
    10,612,139,786.72x = 84,282,670,913,735,540,736
  5. Step 5: Solve for x
    x = 84,282,670,913,735,540,736/10,612,139,786.72
  6. Step 6: Final answer
    x = 7,942,099,577.24

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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.