Home / 538,101,286.20-807,151,929.30-408,004,529.40

Finding the Fourth Proportional to 538,101,286.20, 807,151,929.30 and 408,004,529.40

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Solution

The fourth proportional to 538,101,286.20, 807,151,929.30 and 408,004,529.40 is: 612,006,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,101,286.20 : 807,151,929.30 = 408,004,529.40 : x
  2. Step 2: Convert to fraction form
    538,101,286.20/807,151,929.30 = 408,004,529.40/x
  3. Step 3: Cross multiply
    538,101,286.20x = 807,151,929.30 × 408,004,529.40
  4. Step 4: Simplify right side
    538,101,286.20x = 329,321,643,068,348,544
  5. Step 5: Solve for x
    x = 329,321,643,068,348,544/538,101,286.20
  6. Step 6: Final answer
    x = 612,006,794.10

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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.