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Finding the Fourth Proportional to 603,562,897.64, 905,344,416.60 and 189,072,018.62

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Solution

The fourth proportional to 603,562,897.64, 905,344,416.60 and 189,072,018.62 is: 283,608,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,562,897.64 : 905,344,416.60 = 189,072,018.62 : x
  2. Step 2: Convert to fraction form
    603,562,897.64/905,344,416.60 = 189,072,018.62/x
  3. Step 3: Cross multiply
    603,562,897.64x = 905,344,416.60 × 189,072,018.62
  4. Step 4: Simplify right side
    603,562,897.64x = 171,175,296,392,908,256
  5. Step 5: Solve for x
    x = 171,175,296,392,908,256/603,562,897.64
  6. Step 6: Final answer
    x = 283,608,049.90

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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.