Home / 275,483,575.28-380,194,186.75-205,747,887.26

Finding the Fourth Proportional to 275,483,575.28, 380,194,186.75 and 205,747,887.26

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Solution

The fourth proportional to 275,483,575.28, 380,194,186.75 and 205,747,887.26 is: 283,952,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,483,575.28 : 380,194,186.75 = 205,747,887.26 : x
  2. Step 2: Convert to fraction form
    275,483,575.28/380,194,186.75 = 205,747,887.26/x
  3. Step 3: Cross multiply
    275,483,575.28x = 380,194,186.75 × 205,747,887.26
  4. Step 4: Simplify right side
    275,483,575.28x = 78,224,150,672,346,384
  5. Step 5: Solve for x
    x = 78,224,150,672,346,384/275,483,575.28
  6. Step 6: Final answer
    x = 283,952,139.77

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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.