Home / 18,271,484,343.36-27,401,909,560.92-7,076,861,697.60

Finding the Fourth Proportional to 18,271,484,343.36, 27,401,909,560.92 and 7,076,861,697.60

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Solution

The fourth proportional to 18,271,484,343.36, 27,401,909,560.92 and 7,076,861,697.60 is: 10,613,233,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271,484,343.36 : 27,401,909,560.92 = 7,076,861,697.60 : x
  2. Step 2: Convert to fraction form
    18,271,484,343.36/27,401,909,560.92 = 7,076,861,697.60/x
  3. Step 3: Cross multiply
    18,271,484,343.36x = 27,401,909,560.92 × 7,076,861,697.60
  4. Step 4: Simplify right side
    18,271,484,343.36x = 193,919,524,212,773,978,112
  5. Step 5: Solve for x
    x = 193,919,524,212,773,978,112/18,271,484,343.36
  6. Step 6: Final answer
    x = 10,613,233,198.17

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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.