Home / 20,644,555,454.40-30,967,012,394.82-6,670,178,839.92

Finding the Fourth Proportional to 20,644,555,454.40, 30,967,012,394.82 and 6,670,178,839.92

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Solution

The fourth proportional to 20,644,555,454.40, 30,967,012,394.82 and 6,670,178,839.92 is: 10,005,326,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644,555,454.40 : 30,967,012,394.82 = 6,670,178,839.92 : x
  2. Step 2: Convert to fraction form
    20,644,555,454.40/30,967,012,394.82 = 6,670,178,839.92/x
  3. Step 3: Cross multiply
    20,644,555,454.40x = 30,967,012,394.82 × 6,670,178,839.92
  4. Step 4: Simplify right side
    20,644,555,454.40x = 206,555,510,811,468,726,272
  5. Step 5: Solve for x
    x = 206,555,510,811,468,726,272/20,644,555,454.40
  6. Step 6: Final answer
    x = 10,005,326,163.00

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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.