Home / 618,049,672.20-927,074,508.30-209,105,822.70

Finding the Fourth Proportional to 618,049,672.20, 927,074,508.30 and 209,105,822.70

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Solution

The fourth proportional to 618,049,672.20, 927,074,508.30 and 209,105,822.70 is: 313,658,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,049,672.20 : 927,074,508.30 = 209,105,822.70 : x
  2. Step 2: Convert to fraction form
    618,049,672.20/927,074,508.30 = 209,105,822.70/x
  3. Step 3: Cross multiply
    618,049,672.20x = 927,074,508.30 × 209,105,822.70
  4. Step 4: Simplify right side
    618,049,672.20x = 193,856,677,762,269,472
  5. Step 5: Solve for x
    x = 193,856,677,762,269,472/618,049,672.20
  6. Step 6: Final answer
    x = 313,658,734.05

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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.