Home / 263,782,785.60-395,489,858.40-156,021,940.80

Finding the Fourth Proportional to 263,782,785.60, 395,489,858.40 and 156,021,940.80

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Solution

The fourth proportional to 263,782,785.60, 395,489,858.40 and 156,021,940.80 is: 233,923,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,782,785.60 : 395,489,858.40 = 156,021,940.80 : x
  2. Step 2: Convert to fraction form
    263,782,785.60/395,489,858.40 = 156,021,940.80/x
  3. Step 3: Cross multiply
    263,782,785.60x = 395,489,858.40 × 156,021,940.80
  4. Step 4: Simplify right side
    263,782,785.60x = 61,705,095,274,285,184
  5. Step 5: Solve for x
    x = 61,705,095,274,285,184/263,782,785.60
  6. Step 6: Final answer
    x = 233,923,889.82

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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.