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Finding the Fourth Proportional to 653,467,800.52, 901,759,325.57 and 356,103,704.81

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Solution

The fourth proportional to 653,467,800.52, 901,759,325.57 and 356,103,704.81 is: 491,408,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,467,800.52 : 901,759,325.57 = 356,103,704.81 : x
  2. Step 2: Convert to fraction form
    653,467,800.52/901,759,325.57 = 356,103,704.81/x
  3. Step 3: Cross multiply
    653,467,800.52x = 901,759,325.57 × 356,103,704.81
  4. Step 4: Simplify right side
    653,467,800.52x = 321,119,836,682,443,968
  5. Step 5: Solve for x
    x = 321,119,836,682,443,968/653,467,800.52
  6. Step 6: Final answer
    x = 491,408,813.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.