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Finding the Fourth Proportional to 606,431,334.80, 909,647,002.20 and 541,808,109.20

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Solution

The fourth proportional to 606,431,334.80, 909,647,002.20 and 541,808,109.20 is: 812,712,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,431,334.80 : 909,647,002.20 = 541,808,109.20 : x
  2. Step 2: Convert to fraction form
    606,431,334.80/909,647,002.20 = 541,808,109.20/x
  3. Step 3: Cross multiply
    606,431,334.80x = 909,647,002.20 × 541,808,109.20
  4. Step 4: Simplify right side
    606,431,334.80x = 492,854,122,301,430,336
  5. Step 5: Solve for x
    x = 492,854,122,301,430,336/606,431,334.80
  6. Step 6: Final answer
    x = 812,712,163.80

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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.