Home / 415,171,338.20-622,757,007.30-262,288,957.40

Finding the Fourth Proportional to 415,171,338.20, 622,757,007.30 and 262,288,957.40

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Solution

The fourth proportional to 415,171,338.20, 622,757,007.30 and 262,288,957.40 is: 393,433,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,171,338.20 : 622,757,007.30 = 262,288,957.40 : x
  2. Step 2: Convert to fraction form
    415,171,338.20/622,757,007.30 = 262,288,957.40/x
  3. Step 3: Cross multiply
    415,171,338.20x = 622,757,007.30 × 262,288,957.40
  4. Step 4: Simplify right side
    415,171,338.20x = 163,342,286,158,261,184
  5. Step 5: Solve for x
    x = 163,342,286,158,261,184/415,171,338.20
  6. Step 6: Final answer
    x = 393,433,436.10

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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.