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Finding the Fourth Proportional to 8,503,071,408.45, 12,731,648,861.48 and 8,503,071,408.45

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Solution

The fourth proportional to 8,503,071,408.45, 12,731,648,861.48 and 8,503,071,408.45 is: 12,731,648,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,071,408.45 : 12,731,648,861.48 = 8,503,071,408.45 : x
  2. Step 2: Convert to fraction form
    8,503,071,408.45/12,731,648,861.48 = 8,503,071,408.45/x
  3. Step 3: Cross multiply
    8,503,071,408.45x = 12,731,648,861.48 × 8,503,071,408.45
  4. Step 4: Simplify right side
    8,503,071,408.45x = 108,258,119,416,433,065,984
  5. Step 5: Solve for x
    x = 108,258,119,416,433,065,984/8,503,071,408.45
  6. Step 6: Final answer
    x = 12,731,648,861.48

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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.