Home / 12,612,768,466.52-17,397,419,170.97-8,089,482,921.23

Finding the Fourth Proportional to 12,612,768,466.52, 17,397,419,170.97 and 8,089,482,921.23

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Solution

The fourth proportional to 12,612,768,466.52, 17,397,419,170.97 and 8,089,482,921.23 is: 11,158,226,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,768,466.52 : 17,397,419,170.97 = 8,089,482,921.23 : x
  2. Step 2: Convert to fraction form
    12,612,768,466.52/17,397,419,170.97 = 8,089,482,921.23/x
  3. Step 3: Cross multiply
    12,612,768,466.52x = 17,397,419,170.97 × 8,089,482,921.23
  4. Step 4: Simplify right side
    12,612,768,466.52x = 140,736,125,256,913,780,736
  5. Step 5: Solve for x
    x = 140,736,125,256,913,780,736/12,612,768,466.52
  6. Step 6: Final answer
    x = 11,158,226,334.73

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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.