Home / 275,483,574.28-380,194,185.37-205,747,886.26

Finding the Fourth Proportional to 275,483,574.28, 380,194,185.37 and 205,747,886.26

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Solution

The fourth proportional to 275,483,574.28, 380,194,185.37 and 205,747,886.26 is: 283,952,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,483,574.28 : 380,194,185.37 = 205,747,886.26 : x
  2. Step 2: Convert to fraction form
    275,483,574.28/380,194,185.37 = 205,747,886.26/x
  3. Step 3: Cross multiply
    275,483,574.28x = 380,194,185.37 × 205,747,886.26
  4. Step 4: Simplify right side
    275,483,574.28x = 78,224,150,007,191,376
  5. Step 5: Solve for x
    x = 78,224,150,007,191,376/275,483,574.28
  6. Step 6: Final answer
    x = 283,952,138.39

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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.