Home / 664,247,703.20-996,466,642.32-204,224,493.92

Finding the Fourth Proportional to 664,247,703.20, 996,466,642.32 and 204,224,493.92

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Solution

The fourth proportional to 664,247,703.20, 996,466,642.32 and 204,224,493.92 is: 306,365,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,247,703.20 : 996,466,642.32 = 204,224,493.92 : x
  2. Step 2: Convert to fraction form
    664,247,703.20/996,466,642.32 = 204,224,493.92/x
  3. Step 3: Cross multiply
    664,247,703.20x = 996,466,642.32 × 204,224,493.92
  4. Step 4: Simplify right side
    664,247,703.20x = 203,502,895,735,963,648
  5. Step 5: Solve for x
    x = 203,502,895,735,963,648/664,247,703.20
  6. Step 6: Final answer
    x = 306,365,975.76

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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.