Home / 20,631,630,437.90-30,953,517,468.69-6,656,990,171.66

Finding the Fourth Proportional to 20,631,630,437.90, 30,953,517,468.69 and 6,656,990,171.66

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Solution

The fourth proportional to 20,631,630,437.90, 30,953,517,468.69 and 6,656,990,171.66 is: 9,987,444,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631,630,437.90 : 30,953,517,468.69 = 6,656,990,171.66 : x
  2. Step 2: Convert to fraction form
    20,631,630,437.90/30,953,517,468.69 = 6,656,990,171.66/x
  3. Step 3: Cross multiply
    20,631,630,437.90x = 30,953,517,468.69 × 6,656,990,171.66
  4. Step 4: Simplify right side
    20,631,630,437.90x = 206,057,261,567,375,441,920
  5. Step 5: Solve for x
    x = 206,057,261,567,375,441,920/20,631,630,437.90
  6. Step 6: Final answer
    x = 9,987,444,384.85

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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.