Home / 491,548,431.16-678,346,834.68-268,544,556.73

Finding the Fourth Proportional to 491,548,431.16, 678,346,834.68 and 268,544,556.73

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Solution

The fourth proportional to 491,548,431.16, 678,346,834.68 and 268,544,556.73 is: 370,596,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,548,431.16 : 678,346,834.68 = 268,544,556.73 : x
  2. Step 2: Convert to fraction form
    491,548,431.16/678,346,834.68 = 268,544,556.73/x
  3. Step 3: Cross multiply
    491,548,431.16x = 678,346,834.68 × 268,544,556.73
  4. Step 4: Simplify right side
    491,548,431.16x = 182,166,350,028,339,200
  5. Step 5: Solve for x
    x = 182,166,350,028,339,200/491,548,431.16
  6. Step 6: Final answer
    x = 370,596,951.35

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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.