Home / 274,388,666.40-378,133,060.05-269,345,291.31

Finding the Fourth Proportional to 274,388,666.40, 378,133,060.05 and 269,345,291.31

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Solution

The fourth proportional to 274,388,666.40, 378,133,060.05 and 269,345,291.31 is: 371,182,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,388,666.40 : 378,133,060.05 = 269,345,291.31 : x
  2. Step 2: Convert to fraction form
    274,388,666.40/378,133,060.05 = 269,345,291.31/x
  3. Step 3: Cross multiply
    274,388,666.40x = 378,133,060.05 × 269,345,291.31
  4. Step 4: Simplify right side
    274,388,666.40x = 101,848,359,213,108,976
  5. Step 5: Solve for x
    x = 101,848,359,213,108,976/274,388,666.40
  6. Step 6: Final answer
    x = 371,182,820.88

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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.