Home / 279,955,834,453.68-386,297,491,708.08-170,032,978,737.60

Finding the Fourth Proportional to 279,955,834,453.68, 386,297,491,708.08 and 170,032,978,737.60

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Solution

The fourth proportional to 279,955,834,453.68, 386,297,491,708.08 and 170,032,978,737.60 is: 234,620,269,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,955,834,453.68 : 386,297,491,708.08 = 170,032,978,737.60 : x
  2. Step 2: Convert to fraction form
    279,955,834,453.68/386,297,491,708.08 = 170,032,978,737.60/x
  3. Step 3: Cross multiply
    279,955,834,453.68x = 386,297,491,708.08 × 170,032,978,737.60
  4. Step 4: Simplify right side
    279,955,834,453.68x = 65,683,313,193,988,185,391,104
  5. Step 5: Solve for x
    x = 65,683,313,193,988,185,391,104/279,955,834,453.68
  6. Step 6: Final answer
    x = 234,620,269,022.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.