Home / 1,785,137,179.80-2,672,414,979.30-1,327,105,896.60

Finding the Fourth Proportional to 1,785,137,179.80, 2,672,414,979.30 and 1,327,105,896.60

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Solution

The fourth proportional to 1,785,137,179.80, 2,672,414,979.30 and 1,327,105,896.60 is: 1,986,725,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,137,179.80 : 2,672,414,979.30 = 1,327,105,896.60 : x
  2. Step 2: Convert to fraction form
    1,785,137,179.80/2,672,414,979.30 = 1,327,105,896.60/x
  3. Step 3: Cross multiply
    1,785,137,179.80x = 2,672,414,979.30 × 1,327,105,896.60
  4. Step 4: Simplify right side
    1,785,137,179.80x = 3,546,577,677,191,197,184
  5. Step 5: Solve for x
    x = 3,546,577,677,191,197,184/1,785,137,179.80
  6. Step 6: Final answer
    x = 1,986,725,567.83

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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.