Home / 10,099,565,986.20-15,149,348,979.30-4,202,165,209.20

Finding the Fourth Proportional to 10,099,565,986.20, 15,149,348,979.30 and 4,202,165,209.20

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Solution

The fourth proportional to 10,099,565,986.20, 15,149,348,979.30 and 4,202,165,209.20 is: 6,303,247,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099,565,986.20 : 15,149,348,979.30 = 4,202,165,209.20 : x
  2. Step 2: Convert to fraction form
    10,099,565,986.20/15,149,348,979.30 = 4,202,165,209.20/x
  3. Step 3: Cross multiply
    10,099,565,986.20x = 15,149,348,979.30 × 4,202,165,209.20
  4. Step 4: Simplify right side
    10,099,565,986.20x = 63,660,067,222,843,981,824
  5. Step 5: Solve for x
    x = 63,660,067,222,843,981,824/10,099,565,986.20
  6. Step 6: Final answer
    x = 6,303,247,813.80

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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.