Home / 3,171,926,386,921.80-4,757,883,641,794.40-993,887,117,346.72

Finding the Fourth Proportional to 3,171,926,386,921.80, 4,757,883,641,794.40 and 993,887,117,346.72

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Solution

The fourth proportional to 3,171,926,386,921.80, 4,757,883,641,794.40 and 993,887,117,346.72 is: 1,490,828,815,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,926,386,921.80 : 4,757,883,641,794.40 = 993,887,117,346.72 : x
  2. Step 2: Convert to fraction form
    3,171,926,386,921.80/4,757,883,641,794.40 = 993,887,117,346.72/x
  3. Step 3: Cross multiply
    3,171,926,386,921.80x = 4,757,883,641,794.40 × 993,887,117,346.72
  4. Step 4: Simplify right side
    3,171,926,386,921.80x = 4,728,799,257,414,150,419,120,128
  5. Step 5: Solve for x
    x = 4,728,799,257,414,150,419,120,128/3,171,926,386,921.80
  6. Step 6: Final answer
    x = 1,490,828,815,230.87

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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.