Home / 12,899,328,081.70-19,348,992,122.55-4,181,449,195.30

Finding the Fourth Proportional to 12,899,328,081.70, 19,348,992,122.55 and 4,181,449,195.30

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Solution

The fourth proportional to 12,899,328,081.70, 19,348,992,122.55 and 4,181,449,195.30 is: 6,272,173,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,328,081.70 : 19,348,992,122.55 = 4,181,449,195.30 : x
  2. Step 2: Convert to fraction form
    12,899,328,081.70/19,348,992,122.55 = 4,181,449,195.30/x
  3. Step 3: Cross multiply
    12,899,328,081.70x = 19,348,992,122.55 × 4,181,449,195.30
  4. Step 4: Simplify right side
    12,899,328,081.70x = 80,906,827,540,702,740,480
  5. Step 5: Solve for x
    x = 80,906,827,540,702,740,480/12,899,328,081.70
  6. Step 6: Final answer
    x = 6,272,173,792.95

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1.5x scale

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.