Home / 13,907,873,080.80-20,861,809,621.20-8,384,287,903.20

Finding the Fourth Proportional to 13,907,873,080.80, 20,861,809,621.20 and 8,384,287,903.20

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Solution

The fourth proportional to 13,907,873,080.80, 20,861,809,621.20 and 8,384,287,903.20 is: 12,576,431,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,873,080.80 : 20,861,809,621.20 = 8,384,287,903.20 : x
  2. Step 2: Convert to fraction form
    13,907,873,080.80/20,861,809,621.20 = 8,384,287,903.20/x
  3. Step 3: Cross multiply
    13,907,873,080.80x = 20,861,809,621.20 × 8,384,287,903.20
  4. Step 4: Simplify right side
    13,907,873,080.80x = 174,911,418,045,888,528,384
  5. Step 5: Solve for x
    x = 174,911,418,045,888,528,384/13,907,873,080.80
  6. Step 6: Final answer
    x = 12,576,431,854.80

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Double scale
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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.