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Finding the Fourth Proportional to 266,118,021.60, 399,177,032.40 and 227,150,930.40

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Solution

The fourth proportional to 266,118,021.60, 399,177,032.40 and 227,150,930.40 is: 340,726,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,118,021.60 : 399,177,032.40 = 227,150,930.40 : x
  2. Step 2: Convert to fraction form
    266,118,021.60/399,177,032.40 = 227,150,930.40/x
  3. Step 3: Cross multiply
    266,118,021.60x = 399,177,032.40 × 227,150,930.40
  4. Step 4: Simplify right side
    266,118,021.60x = 90,673,434,303,970,944
  5. Step 5: Solve for x
    x = 90,673,434,303,970,944/266,118,021.60
  6. Step 6: Final answer
    x = 340,726,395.60

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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.