Home / 638,682,551.98-958,017,441.22-201,983,310.52

Finding the Fourth Proportional to 638,682,551.98, 958,017,441.22 and 201,983,310.52

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Solution

The fourth proportional to 638,682,551.98, 958,017,441.22 and 201,983,310.52 is: 302,972,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,682,551.98 : 958,017,441.22 = 201,983,310.52 : x
  2. Step 2: Convert to fraction form
    638,682,551.98/958,017,441.22 = 201,983,310.52/x
  3. Step 3: Cross multiply
    638,682,551.98x = 958,017,441.22 × 201,983,310.52
  4. Step 4: Simplify right side
    638,682,551.98x = 193,503,534,310,615,104
  5. Step 5: Solve for x
    x = 193,503,534,310,615,104/638,682,551.98
  6. Step 6: Final answer
    x = 302,972,945.97

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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.