Home / 13,153,231,100.80-19,729,846,651.20-8,969,089,819.60

Finding the Fourth Proportional to 13,153,231,100.80, 19,729,846,651.20 and 8,969,089,819.60

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Solution

The fourth proportional to 13,153,231,100.80, 19,729,846,651.20 and 8,969,089,819.60 is: 13,453,634,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,231,100.80 : 19,729,846,651.20 = 8,969,089,819.60 : x
  2. Step 2: Convert to fraction form
    13,153,231,100.80/19,729,846,651.20 = 8,969,089,819.60/x
  3. Step 3: Cross multiply
    13,153,231,100.80x = 19,729,846,651.20 × 8,969,089,819.60
  4. Step 4: Simplify right side
    13,153,231,100.80x = 176,958,766,741,547,089,920
  5. Step 5: Solve for x
    x = 176,958,766,741,547,089,920/13,153,231,100.80
  6. Step 6: Final answer
    x = 13,453,634,729.40

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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.