Home / 15,196,010,578.86-20,970,496,586.59-8,422,266,473.84

Finding the Fourth Proportional to 15,196,010,578.86, 20,970,496,586.59 and 8,422,266,473.84

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Solution

The fourth proportional to 15,196,010,578.86, 20,970,496,586.59 and 8,422,266,473.84 is: 11,622,728,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,010,578.86 : 20,970,496,586.59 = 8,422,266,473.84 : x
  2. Step 2: Convert to fraction form
    15,196,010,578.86/20,970,496,586.59 = 8,422,266,473.84/x
  3. Step 3: Cross multiply
    15,196,010,578.86x = 20,970,496,586.59 × 8,422,266,473.84
  4. Step 4: Simplify right side
    15,196,010,578.86x = 176,619,110,340,912,414,720
  5. Step 5: Solve for x
    x = 176,619,110,340,912,414,720/15,196,010,578.86
  6. Step 6: Final answer
    x = 11,622,728,835.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.