Home / 664,009,810.45-996,014,715.68-203,947,241.65

Finding the Fourth Proportional to 664,009,810.45, 996,014,715.68 and 203,947,241.65

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Solution

The fourth proportional to 664,009,810.45, 996,014,715.68 and 203,947,241.65 is: 305,920,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,009,810.45 : 996,014,715.68 = 203,947,241.65 : x
  2. Step 2: Convert to fraction form
    664,009,810.45/996,014,715.68 = 203,947,241.65/x
  3. Step 3: Cross multiply
    664,009,810.45x = 996,014,715.68 × 203,947,241.65
  4. Step 4: Simplify right side
    664,009,810.45x = 203,134,453,905,744,992
  5. Step 5: Solve for x
    x = 203,134,453,905,744,992/664,009,810.45
  6. Step 6: Final answer
    x = 305,920,862.48

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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.