Home / 664,009,809.70-996,014,714.55-203,947,240.90

Finding the Fourth Proportional to 664,009,809.70, 996,014,714.55 and 203,947,240.90

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Solution

The fourth proportional to 664,009,809.70, 996,014,714.55 and 203,947,240.90 is: 305,920,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,009,809.70 : 996,014,714.55 = 203,947,240.90 : x
  2. Step 2: Convert to fraction form
    664,009,809.70/996,014,714.55 = 203,947,240.90/x
  3. Step 3: Cross multiply
    664,009,809.70x = 996,014,714.55 × 203,947,240.90
  4. Step 4: Simplify right side
    664,009,809.70x = 203,134,452,928,273,568
  5. Step 5: Solve for x
    x = 203,134,452,928,273,568/664,009,809.70
  6. Step 6: Final answer
    x = 305,920,861.35

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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.