Home / 1,261,990,836.72-1,741,548,092.40-705,073,883.04

Finding the Fourth Proportional to 1,261,990,836.72, 1,741,548,092.40 and 705,073,883.04

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Solution

The fourth proportional to 1,261,990,836.72, 1,741,548,092.40 and 705,073,883.04 is: 973,002,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,990,836.72 : 1,741,548,092.40 = 705,073,883.04 : x
  2. Step 2: Convert to fraction form
    1,261,990,836.72/1,741,548,092.40 = 705,073,883.04/x
  3. Step 3: Cross multiply
    1,261,990,836.72x = 1,741,548,092.40 × 705,073,883.04
  4. Step 4: Simplify right side
    1,261,990,836.72x = 1,227,920,076,009,372,672
  5. Step 5: Solve for x
    x = 1,227,920,076,009,372,672/1,261,990,836.72
  6. Step 6: Final answer
    x = 973,002,370.76

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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.