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Finding the Fourth Proportional to 231,787,284,912.60, 347,680,927,368.90 and 231,787,284,912.60

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Solution

The fourth proportional to 231,787,284,912.60, 347,680,927,368.90 and 231,787,284,912.60 is: 347,680,927,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,284,912.60 : 347,680,927,368.90 = 231,787,284,912.60 : x
  2. Step 2: Convert to fraction form
    231,787,284,912.60/347,680,927,368.90 = 231,787,284,912.60/x
  3. Step 3: Cross multiply
    231,787,284,912.60x = 347,680,927,368.90 × 231,787,284,912.60
  4. Step 4: Simplify right side
    231,787,284,912.60x = 80,588,018,170,732,220,514,304
  5. Step 5: Solve for x
    x = 80,588,018,170,732,220,514,304/231,787,284,912.60
  6. Step 6: Final answer
    x = 347,680,927,368.90

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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.