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Finding the Fourth Proportional to 338,984,847.60, 508,481,995.48 and 96,647,751.60

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Solution

The fourth proportional to 338,984,847.60, 508,481,995.48 and 96,647,751.60 is: 144,972,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,984,847.60 : 508,481,995.48 = 96,647,751.60 : x
  2. Step 2: Convert to fraction form
    338,984,847.60/508,481,995.48 = 96,647,751.60/x
  3. Step 3: Cross multiply
    338,984,847.60x = 508,481,995.48 × 96,647,751.60
  4. Step 4: Simplify right side
    338,984,847.60x = 49,143,641,592,223,360
  5. Step 5: Solve for x
    x = 49,143,641,592,223,360/338,984,847.60
  6. Step 6: Final answer
    x = 144,972,974.28

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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.