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Finding the Fourth Proportional to 231,787,687,528.90, 347,681,531,293.34 and 231,787,687,528.90

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Solution

The fourth proportional to 231,787,687,528.90, 347,681,531,293.34 and 231,787,687,528.90 is: 347,681,531,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,687,528.90 : 347,681,531,293.34 = 231,787,687,528.90 : x
  2. Step 2: Convert to fraction form
    231,787,687,528.90/347,681,531,293.34 = 231,787,687,528.90/x
  3. Step 3: Cross multiply
    231,787,687,528.90x = 347,681,531,293.34 × 231,787,687,528.90
  4. Step 4: Simplify right side
    231,787,687,528.90x = 80,588,298,134,990,155,153,408
  5. Step 5: Solve for x
    x = 80,588,298,134,990,155,153,408/231,787,687,528.90
  6. Step 6: Final answer
    x = 347,681,531,293.34

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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.