Home / 8,065,008,165.20-12,097,512,247.80-7,207,900,120.40

Finding the Fourth Proportional to 8,065,008,165.20, 12,097,512,247.80 and 7,207,900,120.40

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Solution

The fourth proportional to 8,065,008,165.20, 12,097,512,247.80 and 7,207,900,120.40 is: 10,811,850,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,008,165.20 : 12,097,512,247.80 = 7,207,900,120.40 : x
  2. Step 2: Convert to fraction form
    8,065,008,165.20/12,097,512,247.80 = 7,207,900,120.40/x
  3. Step 3: Cross multiply
    8,065,008,165.20x = 12,097,512,247.80 × 7,207,900,120.40
  4. Step 4: Simplify right side
    8,065,008,165.20x = 87,197,659,987,458,080,768
  5. Step 5: Solve for x
    x = 87,197,659,987,458,080,768/8,065,008,165.20
  6. Step 6: Final answer
    x = 10,811,850,180.60

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Similar ratio
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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.