Home / 539,022,963.12-743,853,930.66-291,504,317.37

Finding the Fourth Proportional to 539,022,963.12, 743,853,930.66 and 291,504,317.37

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Solution

The fourth proportional to 539,022,963.12, 743,853,930.66 and 291,504,317.37 is: 402,277,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,963.12 : 743,853,930.66 = 291,504,317.37 : x
  2. Step 2: Convert to fraction form
    539,022,963.12/743,853,930.66 = 291,504,317.37/x
  3. Step 3: Cross multiply
    539,022,963.12x = 743,853,930.66 × 291,504,317.37
  4. Step 4: Simplify right side
    539,022,963.12x = 216,836,632,280,034,592
  5. Step 5: Solve for x
    x = 216,836,632,280,034,592/539,022,963.12
  6. Step 6: Final answer
    x = 402,277,170.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.