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Finding the Fourth Proportional to 488,889,765.45, 733,334,648.18 and 374,098,509.45

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Solution

The fourth proportional to 488,889,765.45, 733,334,648.18 and 374,098,509.45 is: 561,147,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,889,765.45 : 733,334,648.18 = 374,098,509.45 : x
  2. Step 2: Convert to fraction form
    488,889,765.45/733,334,648.18 = 374,098,509.45/x
  3. Step 3: Cross multiply
    488,889,765.45x = 733,334,648.18 × 374,098,509.45
  4. Step 4: Simplify right side
    488,889,765.45x = 274,339,398,810,307,648
  5. Step 5: Solve for x
    x = 274,339,398,810,307,648/488,889,765.45
  6. Step 6: Final answer
    x = 561,147,764.18

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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.