Home / 272,098,491,330.60-408,147,736,995.90-205,978,727,874.60

Finding the Fourth Proportional to 272,098,491,330.60, 408,147,736,995.90 and 205,978,727,874.60

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Solution

The fourth proportional to 272,098,491,330.60, 408,147,736,995.90 and 205,978,727,874.60 is: 308,968,091,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,098,491,330.60 : 408,147,736,995.90 = 205,978,727,874.60 : x
  2. Step 2: Convert to fraction form
    272,098,491,330.60/408,147,736,995.90 = 205,978,727,874.60/x
  3. Step 3: Cross multiply
    272,098,491,330.60x = 408,147,736,995.90 × 205,978,727,874.60
  4. Step 4: Simplify right side
    272,098,491,330.60x = 84,069,751,651,312,299,147,264
  5. Step 5: Solve for x
    x = 84,069,751,651,312,299,147,264/272,098,491,330.60
  6. Step 6: Final answer
    x = 308,968,091,811.90

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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.