Home / 511,930,939.74-706,459,674.42-276,976,444.97

Finding the Fourth Proportional to 511,930,939.74, 706,459,674.42 and 276,976,444.97

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Solution

The fourth proportional to 511,930,939.74, 706,459,674.42 and 276,976,444.97 is: 382,224,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,930,939.74 : 706,459,674.42 = 276,976,444.97 : x
  2. Step 2: Convert to fraction form
    511,930,939.74/706,459,674.42 = 276,976,444.97/x
  3. Step 3: Cross multiply
    511,930,939.74x = 706,459,674.42 × 276,976,444.97
  4. Step 4: Simplify right side
    511,930,939.74x = 195,672,689,131,982,912
  5. Step 5: Solve for x
    x = 195,672,689,131,982,912/511,930,939.74
  6. Step 6: Final answer
    x = 382,224,776.71

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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.