Home / 664,302,032.40-996,453,048.60-204,180,414.60

Finding the Fourth Proportional to 664,302,032.40, 996,453,048.60 and 204,180,414.60

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Solution

The fourth proportional to 664,302,032.40, 996,453,048.60 and 204,180,414.60 is: 306,270,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,032.40 : 996,453,048.60 = 204,180,414.60 : x
  2. Step 2: Convert to fraction form
    664,302,032.40/996,453,048.60 = 204,180,414.60/x
  3. Step 3: Cross multiply
    664,302,032.40x = 996,453,048.60 × 204,180,414.60
  4. Step 4: Simplify right side
    664,302,032.40x = 203,456,196,592,581,952
  5. Step 5: Solve for x
    x = 203,456,196,592,581,952/664,302,032.40
  6. Step 6: Final answer
    x = 306,270,621.90

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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.