Home / 437,227,921.30-655,747,403.55-191,584,081.30

Finding the Fourth Proportional to 437,227,921.30, 655,747,403.55 and 191,584,081.30

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Solution

The fourth proportional to 437,227,921.30, 655,747,403.55 and 191,584,081.30 is: 287,334,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,227,921.30 : 655,747,403.55 = 191,584,081.30 : x
  2. Step 2: Convert to fraction form
    437,227,921.30/655,747,403.55 = 191,584,081.30/x
  3. Step 3: Cross multiply
    437,227,921.30x = 655,747,403.55 × 191,584,081.30
  4. Step 4: Simplify right side
    437,227,921.30x = 125,630,763,873,987,104
  5. Step 5: Solve for x
    x = 125,630,763,873,987,104/437,227,921.30
  6. Step 6: Final answer
    x = 287,334,723.50

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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.