Home / 879,067,685.72-1,317,598,505.92-354,100,872.22

Finding the Fourth Proportional to 879,067,685.72, 1,317,598,505.92 and 354,100,872.22

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Solution

The fourth proportional to 879,067,685.72, 1,317,598,505.92 and 354,100,872.22 is: 530,747,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,067,685.72 : 1,317,598,505.92 = 354,100,872.22 : x
  2. Step 2: Convert to fraction form
    879,067,685.72/1,317,598,505.92 = 354,100,872.22/x
  3. Step 3: Cross multiply
    879,067,685.72x = 1,317,598,505.92 × 354,100,872.22
  4. Step 4: Simplify right side
    879,067,685.72x = 466,562,780,182,040,896
  5. Step 5: Solve for x
    x = 466,562,780,182,040,896/879,067,685.72
  6. Step 6: Final answer
    x = 530,747,276.64

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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.