Home / 449,388,356,887.05-674,010,780,142.14-130,960,071,768.72

Finding the Fourth Proportional to 449,388,356,887.05, 674,010,780,142.14 and 130,960,071,768.72

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Solution

The fourth proportional to 449,388,356,887.05, 674,010,780,142.14 and 130,960,071,768.72 is: 196,419,196,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,388,356,887.05 : 674,010,780,142.14 = 130,960,071,768.72 : x
  2. Step 2: Convert to fraction form
    449,388,356,887.05/674,010,780,142.14 = 130,960,071,768.72/x
  3. Step 3: Cross multiply
    449,388,356,887.05x = 674,010,780,142.14 × 130,960,071,768.72
  4. Step 4: Simplify right side
    449,388,356,887.05x = 88,268,500,140,305,619,615,744
  5. Step 5: Solve for x
    x = 88,268,500,140,305,619,615,744/449,388,356,887.05
  6. Step 6: Final answer
    x = 196,419,196,865.15

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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.