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Finding the Fourth Proportional to 660,592,995.60, 990,858,000.60 and 223,850,845.20

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Solution

The fourth proportional to 660,592,995.60, 990,858,000.60 and 223,850,845.20 is: 335,765,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,592,995.60 : 990,858,000.60 = 223,850,845.20 : x
  2. Step 2: Convert to fraction form
    660,592,995.60/990,858,000.60 = 223,850,845.20/x
  3. Step 3: Cross multiply
    660,592,995.60x = 990,858,000.60 × 223,850,845.20
  4. Step 4: Simplify right side
    660,592,995.60x = 221,804,400,907,492,096
  5. Step 5: Solve for x
    x = 221,804,400,907,492,096/660,592,995.60
  6. Step 6: Final answer
    x = 335,765,596.04

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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.