Home / 858,063,754.68-1,287,107,589.47-244,647,980.43

Finding the Fourth Proportional to 858,063,754.68, 1,287,107,589.47 and 244,647,980.43

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Solution

The fourth proportional to 858,063,754.68, 1,287,107,589.47 and 244,647,980.43 is: 366,975,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,063,754.68 : 1,287,107,589.47 = 244,647,980.43 : x
  2. Step 2: Convert to fraction form
    858,063,754.68/1,287,107,589.47 = 244,647,980.43/x
  3. Step 3: Cross multiply
    858,063,754.68x = 1,287,107,589.47 × 244,647,980.43
  4. Step 4: Simplify right side
    858,063,754.68x = 314,888,272,358,737,792
  5. Step 5: Solve for x
    x = 314,888,272,358,737,792/858,063,754.68
  6. Step 6: Final answer
    x = 366,975,379.91

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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.