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Finding the Fourth Proportional to 622,891,709.87, 934,337,564.80 and 622,891,709.87

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Solution

The fourth proportional to 622,891,709.87, 934,337,564.80 and 622,891,709.87 is: 934,337,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,891,709.87 : 934,337,564.80 = 622,891,709.87 : x
  2. Step 2: Convert to fraction form
    622,891,709.87/934,337,564.80 = 622,891,709.87/x
  3. Step 3: Cross multiply
    622,891,709.87x = 934,337,564.80 × 622,891,709.87
  4. Step 4: Simplify right side
    622,891,709.87x = 581,991,123,329,372,160
  5. Step 5: Solve for x
    x = 581,991,123,329,372,160/622,891,709.87
  6. Step 6: Final answer
    x = 934,337,564.80

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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.