Home / 3,540,430,828.80-5,310,646,243.20-1,907,844,076.80

Finding the Fourth Proportional to 3,540,430,828.80, 5,310,646,243.20 and 1,907,844,076.80

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Solution

The fourth proportional to 3,540,430,828.80, 5,310,646,243.20 and 1,907,844,076.80 is: 2,861,766,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,430,828.80 : 5,310,646,243.20 = 1,907,844,076.80 : x
  2. Step 2: Convert to fraction form
    3,540,430,828.80/5,310,646,243.20 = 1,907,844,076.80/x
  3. Step 3: Cross multiply
    3,540,430,828.80x = 5,310,646,243.20 × 1,907,844,076.80
  4. Step 4: Simplify right side
    3,540,430,828.80x = 10,131,884,979,069,292,544
  5. Step 5: Solve for x
    x = 10,131,884,979,069,292,544/3,540,430,828.80
  6. Step 6: Final answer
    x = 2,861,766,115.20

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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.