Home / 539,022,961.17-743,853,927.94-291,504,315.42

Finding the Fourth Proportional to 539,022,961.17, 743,853,927.94 and 291,504,315.42

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Solution

The fourth proportional to 539,022,961.17, 743,853,927.94 and 291,504,315.42 is: 402,277,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,961.17 : 743,853,927.94 = 291,504,315.42 : x
  2. Step 2: Convert to fraction form
    539,022,961.17/743,853,927.94 = 291,504,315.42/x
  3. Step 3: Cross multiply
    539,022,961.17x = 743,853,927.94 × 291,504,315.42
  4. Step 4: Simplify right side
    539,022,961.17x = 216,836,630,036,627,744
  5. Step 5: Solve for x
    x = 216,836,630,036,627,744/539,022,961.17
  6. Step 6: Final answer
    x = 402,277,167.50

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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.