Home / 535,233,096.72-737,245,453.74-378,330,455.88

Finding the Fourth Proportional to 535,233,096.72, 737,245,453.74 and 378,330,455.88

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Solution

The fourth proportional to 535,233,096.72, 737,245,453.74 and 378,330,455.88 is: 521,123,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,233,096.72 : 737,245,453.74 = 378,330,455.88 : x
  2. Step 2: Convert to fraction form
    535,233,096.72/737,245,453.74 = 378,330,455.88/x
  3. Step 3: Cross multiply
    535,233,096.72x = 737,245,453.74 × 378,330,455.88
  4. Step 4: Simplify right side
    535,233,096.72x = 278,922,408,608,911,648
  5. Step 5: Solve for x
    x = 278,922,408,608,911,648/535,233,096.72
  6. Step 6: Final answer
    x = 521,123,245.77

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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.