Home / 80,808,193,880.80-121,212,290,821.20-45,979,676,504.80

Finding the Fourth Proportional to 80,808,193,880.80, 121,212,290,821.20 and 45,979,676,504.80

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Solution

The fourth proportional to 80,808,193,880.80, 121,212,290,821.20 and 45,979,676,504.80 is: 68,969,514,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,808,193,880.80 : 121,212,290,821.20 = 45,979,676,504.80 : x
  2. Step 2: Convert to fraction form
    80,808,193,880.80/121,212,290,821.20 = 45,979,676,504.80/x
  3. Step 3: Cross multiply
    80,808,193,880.80x = 121,212,290,821.20 × 45,979,676,504.80
  4. Step 4: Simplify right side
    80,808,193,880.80x = 5,573,301,920,364,514,770,944
  5. Step 5: Solve for x
    x = 5,573,301,920,364,514,770,944/80,808,193,880.80
  6. Step 6: Final answer
    x = 68,969,514,757.20

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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.