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Finding the Fourth Proportional to 606,929,907.40, 910,394,861.10 and 606,929,907.40

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Solution

The fourth proportional to 606,929,907.40, 910,394,861.10 and 606,929,907.40 is: 910,394,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,929,907.40 : 910,394,861.10 = 606,929,907.40 : x
  2. Step 2: Convert to fraction form
    606,929,907.40/910,394,861.10 = 606,929,907.40/x
  3. Step 3: Cross multiply
    606,929,907.40x = 910,394,861.10 × 606,929,907.40
  4. Step 4: Simplify right side
    606,929,907.40x = 552,545,868,744,858,880
  5. Step 5: Solve for x
    x = 552,545,868,744,858,880/606,929,907.40
  6. Step 6: Final answer
    x = 910,394,861.10

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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.