Home / 653,212,898.80-901,432,222.12-355,857,584.44

Finding the Fourth Proportional to 653,212,898.80, 901,432,222.12 and 355,857,584.44

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Solution

The fourth proportional to 653,212,898.80, 901,432,222.12 and 355,857,584.44 is: 491,082,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,212,898.80 : 901,432,222.12 = 355,857,584.44 : x
  2. Step 2: Convert to fraction form
    653,212,898.80/901,432,222.12 = 355,857,584.44/x
  3. Step 3: Cross multiply
    653,212,898.80x = 901,432,222.12 × 355,857,584.44
  4. Step 4: Simplify right side
    653,212,898.80x = 320,781,493,100,004,736
  5. Step 5: Solve for x
    x = 320,781,493,100,004,736/653,212,898.80
  6. Step 6: Final answer
    x = 491,082,606.74

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