Home / 381,728,096.64-526,791,749.76-212,198,251.52

Finding the Fourth Proportional to 381,728,096.64, 526,791,749.76 and 212,198,251.52

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Solution

The fourth proportional to 381,728,096.64, 526,791,749.76 and 212,198,251.52 is: 292,837,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,728,096.64 : 526,791,749.76 = 212,198,251.52 : x
  2. Step 2: Convert to fraction form
    381,728,096.64/526,791,749.76 = 212,198,251.52/x
  3. Step 3: Cross multiply
    381,728,096.64x = 526,791,749.76 × 212,198,251.52
  4. Step 4: Simplify right side
    381,728,096.64x = 111,784,288,214,233,376
  5. Step 5: Solve for x
    x = 111,784,288,214,233,376/381,728,096.64
  6. Step 6: Final answer
    x = 292,837,465.20

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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.