Home / 681,339,729.52-1,022,017,704.42-190,023,106.24

Finding the Fourth Proportional to 681,339,729.52, 1,022,017,704.42 and 190,023,106.24

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Solution

The fourth proportional to 681,339,729.52, 1,022,017,704.42 and 190,023,106.24 is: 285,036,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,339,729.52 : 1,022,017,704.42 = 190,023,106.24 : x
  2. Step 2: Convert to fraction form
    681,339,729.52/1,022,017,704.42 = 190,023,106.24/x
  3. Step 3: Cross multiply
    681,339,729.52x = 1,022,017,704.42 × 190,023,106.24
  4. Step 4: Simplify right side
    681,339,729.52x = 194,206,978,826,162,592
  5. Step 5: Solve for x
    x = 194,206,978,826,162,592/681,339,729.52
  6. Step 6: Final answer
    x = 285,036,921.25

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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.