Home / 1,287,975,091.20-1,932,270,872.40-414,658,095.92

Finding the Fourth Proportional to 1,287,975,091.20, 1,932,270,872.40 and 414,658,095.92

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Solution

The fourth proportional to 1,287,975,091.20, 1,932,270,872.40 and 414,658,095.92 is: 622,086,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,975,091.20 : 1,932,270,872.40 = 414,658,095.92 : x
  2. Step 2: Convert to fraction form
    1,287,975,091.20/1,932,270,872.40 = 414,658,095.92/x
  3. Step 3: Cross multiply
    1,287,975,091.20x = 1,932,270,872.40 × 414,658,095.92
  4. Step 4: Simplify right side
    1,287,975,091.20x = 801,231,760,751,061,376
  5. Step 5: Solve for x
    x = 801,231,760,751,061,376/1,287,975,091.20
  6. Step 6: Final answer
    x = 622,086,379.02

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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.