Home / 827,292,149.12-1,240,927,594.70-274,848,600.80

Finding the Fourth Proportional to 827,292,149.12, 1,240,927,594.70 and 274,848,600.80

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Solution

The fourth proportional to 827,292,149.12, 1,240,927,594.70 and 274,848,600.80 is: 412,269,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,292,149.12 : 1,240,927,594.70 = 274,848,600.80 : x
  2. Step 2: Convert to fraction form
    827,292,149.12/1,240,927,594.70 = 274,848,600.80/x
  3. Step 3: Cross multiply
    827,292,149.12x = 1,240,927,594.70 × 274,848,600.80
  4. Step 4: Simplify right side
    827,292,149.12x = 341,067,213,089,825,600
  5. Step 5: Solve for x
    x = 341,067,213,089,825,600/827,292,149.12
  6. Step 6: Final answer
    x = 412,269,369.96

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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.