Home / 469,052,644.40-703,349,725.08-192,629,972.32

Finding the Fourth Proportional to 469,052,644.40, 703,349,725.08 and 192,629,972.32

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Solution

The fourth proportional to 469,052,644.40, 703,349,725.08 and 192,629,972.32 is: 288,850,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,052,644.40 : 703,349,725.08 = 192,629,972.32 : x
  2. Step 2: Convert to fraction form
    469,052,644.40/703,349,725.08 = 192,629,972.32/x
  3. Step 3: Cross multiply
    469,052,644.40x = 703,349,725.08 × 192,629,972.32
  4. Step 4: Simplify right side
    469,052,644.40x = 135,486,238,073,440,016
  5. Step 5: Solve for x
    x = 135,486,238,073,440,016/469,052,644.40
  6. Step 6: Final answer
    x = 288,850,813.85

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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.