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Finding the Fourth Proportional to 551,638,671.60, 827,458,007.40 and 244,604,866.80

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Solution

The fourth proportional to 551,638,671.60, 827,458,007.40 and 244,604,866.80 is: 366,907,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,638,671.60 : 827,458,007.40 = 244,604,866.80 : x
  2. Step 2: Convert to fraction form
    551,638,671.60/827,458,007.40 = 244,604,866.80/x
  3. Step 3: Cross multiply
    551,638,671.60x = 827,458,007.40 × 244,604,866.80
  4. Step 4: Simplify right side
    551,638,671.60x = 202,400,255,682,670,432
  5. Step 5: Solve for x
    x = 202,400,255,682,670,432/551,638,671.60
  6. Step 6: Final answer
    x = 366,907,300.20

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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.