Home / 4,192,128,828.80-6,288,193,243.20-1,431,344,009.60

Finding the Fourth Proportional to 4,192,128,828.80, 6,288,193,243.20 and 1,431,344,009.60

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Solution

The fourth proportional to 4,192,128,828.80, 6,288,193,243.20 and 1,431,344,009.60 is: 2,147,016,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192,128,828.80 : 6,288,193,243.20 = 1,431,344,009.60 : x
  2. Step 2: Convert to fraction form
    4,192,128,828.80/6,288,193,243.20 = 1,431,344,009.60/x
  3. Step 3: Cross multiply
    4,192,128,828.80x = 6,288,193,243.20 × 1,431,344,009.60
  4. Step 4: Simplify right side
    4,192,128,828.80x = 9,000,567,729,861,515,264
  5. Step 5: Solve for x
    x = 9,000,567,729,861,515,264/4,192,128,828.80
  6. Step 6: Final answer
    x = 2,147,016,014.40

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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.