Home / 511,946,543.46-706,481,200.31-276,992,048.69

Finding the Fourth Proportional to 511,946,543.46, 706,481,200.31 and 276,992,048.69

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Solution

The fourth proportional to 511,946,543.46, 706,481,200.31 and 276,992,048.69 is: 382,246,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,946,543.46 : 706,481,200.31 = 276,992,048.69 : x
  2. Step 2: Convert to fraction form
    511,946,543.46/706,481,200.31 = 276,992,048.69/x
  3. Step 3: Cross multiply
    511,946,543.46x = 706,481,200.31 × 276,992,048.69
  4. Step 4: Simplify right side
    511,946,543.46x = 195,689,675,031,304,736
  5. Step 5: Solve for x
    x = 195,689,675,031,304,736/511,946,543.46
  6. Step 6: Final answer
    x = 382,246,305.85

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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.