Home / 263,901,907.80-395,181,015.30-251,808,672.60

Finding the Fourth Proportional to 263,901,907.80, 395,181,015.30 and 251,808,672.60

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Solution

The fourth proportional to 263,901,907.80, 395,181,015.30 and 251,808,672.60 is: 377,071,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,901,907.80 : 395,181,015.30 = 251,808,672.60 : x
  2. Step 2: Convert to fraction form
    263,901,907.80/395,181,015.30 = 251,808,672.60/x
  3. Step 3: Cross multiply
    263,901,907.80x = 395,181,015.30 × 251,808,672.60
  4. Step 4: Simplify right side
    263,901,907.80x = 99,510,006,899,413,296
  5. Step 5: Solve for x
    x = 99,510,006,899,413,296/263,901,907.80
  6. Step 6: Final answer
    x = 377,071,949.68

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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.