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Finding the Fourth Proportional to 606,918,900.30, 910,378,350.45 and 453,863,892.30

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Solution

The fourth proportional to 606,918,900.30, 910,378,350.45 and 453,863,892.30 is: 680,795,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,918,900.30 : 910,378,350.45 = 453,863,892.30 : x
  2. Step 2: Convert to fraction form
    606,918,900.30/910,378,350.45 = 453,863,892.30/x
  3. Step 3: Cross multiply
    606,918,900.30x = 910,378,350.45 × 453,863,892.30
  4. Step 4: Simplify right side
    606,918,900.30x = 413,187,861,600,890,496
  5. Step 5: Solve for x
    x = 413,187,861,600,890,496/606,918,900.30
  6. Step 6: Final answer
    x = 680,795,838.45

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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.