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Finding the Fourth Proportional to 522,559,694.60, 783,856,518.72 and 154,063,745.80

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Solution

The fourth proportional to 522,559,694.60, 783,856,518.72 and 154,063,745.80 is: 231,100,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,559,694.60 : 783,856,518.72 = 154,063,745.80 : x
  2. Step 2: Convert to fraction form
    522,559,694.60/783,856,518.72 = 154,063,745.80/x
  3. Step 3: Cross multiply
    522,559,694.60x = 783,856,518.72 × 154,063,745.80
  4. Step 4: Simplify right side
    522,559,694.60x = 120,763,871,446,491,056
  5. Step 5: Solve for x
    x = 120,763,871,446,491,056/522,559,694.60
  6. Step 6: Final answer
    x = 231,100,623.90

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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.