Home / 664,362,072.90-996,543,109.35-204,240,455.10

Finding the Fourth Proportional to 664,362,072.90, 996,543,109.35 and 204,240,455.10

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Solution

The fourth proportional to 664,362,072.90, 996,543,109.35 and 204,240,455.10 is: 306,360,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,362,072.90 : 996,543,109.35 = 204,240,455.10 : x
  2. Step 2: Convert to fraction form
    664,362,072.90/996,543,109.35 = 204,240,455.10/x
  3. Step 3: Cross multiply
    664,362,072.90x = 996,543,109.35 × 204,240,455.10
  4. Step 4: Simplify right side
    664,362,072.90x = 203,534,418,180,413,056
  5. Step 5: Solve for x
    x = 203,534,418,180,413,056/664,362,072.90
  6. Step 6: Final answer
    x = 306,360,682.65

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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.