Home / 4,192,128,832.80-6,288,193,249.20-1,431,344,013.60

Finding the Fourth Proportional to 4,192,128,832.80, 6,288,193,249.20 and 1,431,344,013.60

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Solution

The fourth proportional to 4,192,128,832.80, 6,288,193,249.20 and 1,431,344,013.60 is: 2,147,016,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192,128,832.80 : 6,288,193,249.20 = 1,431,344,013.60 : x
  2. Step 2: Convert to fraction form
    4,192,128,832.80/6,288,193,249.20 = 1,431,344,013.60/x
  3. Step 3: Cross multiply
    4,192,128,832.80x = 6,288,193,249.20 × 1,431,344,013.60
  4. Step 4: Simplify right side
    4,192,128,832.80x = 9,000,567,763,602,352,128
  5. Step 5: Solve for x
    x = 9,000,567,763,602,352,128/4,192,128,832.80
  6. Step 6: Final answer
    x = 2,147,016,020.40

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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.