Home / 612,286,442.73-844,930,950.21-361,471,626.45

Finding the Fourth Proportional to 612,286,442.73, 844,930,950.21 and 361,471,626.45

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Solution

The fourth proportional to 612,286,442.73, 844,930,950.21 and 361,471,626.45 is: 498,816,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,286,442.73 : 844,930,950.21 = 361,471,626.45 : x
  2. Step 2: Convert to fraction form
    612,286,442.73/844,930,950.21 = 361,471,626.45/x
  3. Step 3: Cross multiply
    612,286,442.73x = 844,930,950.21 × 361,471,626.45
  4. Step 4: Simplify right side
    612,286,442.73x = 305,418,564,810,352,704
  5. Step 5: Solve for x
    x = 305,418,564,810,352,704/612,286,442.73
  6. Step 6: Final answer
    x = 498,816,474.60

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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.