Home / 431,521,658.72-647,081,246.52-224,204,334.56

Finding the Fourth Proportional to 431,521,658.72, 647,081,246.52 and 224,204,334.56

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Solution

The fourth proportional to 431,521,658.72, 647,081,246.52 and 224,204,334.56 is: 336,201,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,521,658.72 : 647,081,246.52 = 224,204,334.56 : x
  2. Step 2: Convert to fraction form
    431,521,658.72/647,081,246.52 = 224,204,334.56/x
  3. Step 3: Cross multiply
    431,521,658.72x = 647,081,246.52 × 224,204,334.56
  4. Step 4: Simplify right side
    431,521,658.72x = 145,078,420,282,271,904
  5. Step 5: Solve for x
    x = 145,078,420,282,271,904/431,521,658.72
  6. Step 6: Final answer
    x = 336,201,943.40

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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.