Home / 605,217,382.20-907,826,073.30-398,593,121.40

Finding the Fourth Proportional to 605,217,382.20, 907,826,073.30 and 398,593,121.40

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Solution

The fourth proportional to 605,217,382.20, 907,826,073.30 and 398,593,121.40 is: 597,889,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,217,382.20 : 907,826,073.30 = 398,593,121.40 : x
  2. Step 2: Convert to fraction form
    605,217,382.20/907,826,073.30 = 398,593,121.40/x
  3. Step 3: Cross multiply
    605,217,382.20x = 907,826,073.30 × 398,593,121.40
  4. Step 4: Simplify right side
    605,217,382.20x = 361,853,228,244,952,128
  5. Step 5: Solve for x
    x = 361,853,228,244,952,128/605,217,382.20
  6. Step 6: Final answer
    x = 597,889,682.10

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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.