Home / 299,691,312,471.98-449,563,397,601.04-84,561,741,531.76

Finding the Fourth Proportional to 299,691,312,471.98, 449,563,397,601.04 and 84,561,741,531.76

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Solution

The fourth proportional to 299,691,312,471.98, 449,563,397,601.04 and 84,561,741,531.76 is: 126,850,069,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,691,312,471.98 : 449,563,397,601.04 = 84,561,741,531.76 : x
  2. Step 2: Convert to fraction form
    299,691,312,471.98/449,563,397,601.04 = 84,561,741,531.76/x
  3. Step 3: Cross multiply
    299,691,312,471.98x = 449,563,397,601.04 × 84,561,741,531.76
  4. Step 4: Simplify right side
    299,691,312,471.98x = 38,015,863,830,080,800,161,792
  5. Step 5: Solve for x
    x = 38,015,863,830,080,800,161,792/299,691,312,471.98
  6. Step 6: Final answer
    x = 126,850,069,548.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.