Home / 511,561,687.04-705,954,630.40-276,611,784.96

Finding the Fourth Proportional to 511,561,687.04, 705,954,630.40 and 276,611,784.96

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Solution

The fourth proportional to 511,561,687.04, 705,954,630.40 and 276,611,784.96 is: 381,723,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,561,687.04 : 705,954,630.40 = 276,611,784.96 : x
  2. Step 2: Convert to fraction form
    511,561,687.04/705,954,630.40 = 276,611,784.96/x
  3. Step 3: Cross multiply
    511,561,687.04x = 705,954,630.40 × 276,611,784.96
  4. Step 4: Simplify right side
    511,561,687.04x = 195,275,370,415,721,056
  5. Step 5: Solve for x
    x = 195,275,370,415,721,056/511,561,687.04
  6. Step 6: Final answer
    x = 381,723,994.12

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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.