Home / 858,063,751.82-1,287,107,585.14-244,647,977.58

Finding the Fourth Proportional to 858,063,751.82, 1,287,107,585.14 and 244,647,977.58

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Solution

The fourth proportional to 858,063,751.82, 1,287,107,585.14 and 244,647,977.58 is: 366,975,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,063,751.82 : 1,287,107,585.14 = 244,647,977.58 : x
  2. Step 2: Convert to fraction form
    858,063,751.82/1,287,107,585.14 = 244,647,977.58/x
  3. Step 3: Cross multiply
    858,063,751.82x = 1,287,107,585.14 × 244,647,977.58
  4. Step 4: Simplify right side
    858,063,751.82x = 314,888,267,632,378,688
  5. Step 5: Solve for x
    x = 314,888,267,632,378,688/858,063,751.82
  6. Step 6: Final answer
    x = 366,975,375.62

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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.