Home / 231,787,013,403.40-347,680,520,105.10-222,971,044,942.60

Finding the Fourth Proportional to 231,787,013,403.40, 347,680,520,105.10 and 222,971,044,942.60

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Solution

The fourth proportional to 231,787,013,403.40, 347,680,520,105.10 and 222,971,044,942.60 is: 334,456,567,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,013,403.40 : 347,680,520,105.10 = 222,971,044,942.60 : x
  2. Step 2: Convert to fraction form
    231,787,013,403.40/347,680,520,105.10 = 222,971,044,942.60/x
  3. Step 3: Cross multiply
    231,787,013,403.40x = 347,680,520,105.10 × 222,971,044,942.60
  4. Step 4: Simplify right side
    231,787,013,403.40x = 77,522,688,874,020,786,405,376
  5. Step 5: Solve for x
    x = 77,522,688,874,020,786,405,376/231,787,013,403.40
  6. Step 6: Final answer
    x = 334,456,567,413.90

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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.