Home / 539,022,984.87-743,853,960.63-291,504,339.12

Finding the Fourth Proportional to 539,022,984.87, 743,853,960.63 and 291,504,339.12

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Solution

The fourth proportional to 539,022,984.87, 743,853,960.63 and 291,504,339.12 is: 402,277,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,984.87 : 743,853,960.63 = 291,504,339.12 : x
  2. Step 2: Convert to fraction form
    539,022,984.87/743,853,960.63 = 291,504,339.12/x
  3. Step 3: Cross multiply
    539,022,984.87x = 743,853,960.63 × 291,504,339.12
  4. Step 4: Simplify right side
    539,022,984.87x = 216,836,657,195,242,656
  5. Step 5: Solve for x
    x = 216,836,657,195,242,656/539,022,984.87
  6. Step 6: Final answer
    x = 402,277,200.20

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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.