Home / 605,217,384.20-907,826,076.30-398,593,123.40

Finding the Fourth Proportional to 605,217,384.20, 907,826,076.30 and 398,593,123.40

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Solution

The fourth proportional to 605,217,384.20, 907,826,076.30 and 398,593,123.40 is: 597,889,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,217,384.20 : 907,826,076.30 = 398,593,123.40 : x
  2. Step 2: Convert to fraction form
    605,217,384.20/907,826,076.30 = 398,593,123.40/x
  3. Step 3: Cross multiply
    605,217,384.20x = 907,826,076.30 × 398,593,123.40
  4. Step 4: Simplify right side
    605,217,384.20x = 361,853,231,256,383,680
  5. Step 5: Solve for x
    x = 361,853,231,256,383,680/605,217,384.20
  6. Step 6: Final answer
    x = 597,889,685.10

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1.5x scale

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.