Home / 416,233,403.42-624,145,800.18-205,901,072.61

Finding the Fourth Proportional to 416,233,403.42, 624,145,800.18 and 205,901,072.61

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Solution

The fourth proportional to 416,233,403.42, 624,145,800.18 and 205,901,072.61 is: 308,750,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,233,403.42 : 624,145,800.18 = 205,901,072.61 : x
  2. Step 2: Convert to fraction form
    416,233,403.42/624,145,800.18 = 205,901,072.61/x
  3. Step 3: Cross multiply
    416,233,403.42x = 624,145,800.18 × 205,901,072.61
  4. Step 4: Simplify right side
    416,233,403.42x = 128,512,289,722,088,736
  5. Step 5: Solve for x
    x = 128,512,289,722,088,736/416,233,403.42
  6. Step 6: Final answer
    x = 308,750,543.97

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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.