Home / 264,239,620.80-396,359,431.20-225,975,868.80

Finding the Fourth Proportional to 264,239,620.80, 396,359,431.20 and 225,975,868.80

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Solution

The fourth proportional to 264,239,620.80, 396,359,431.20 and 225,975,868.80 is: 338,963,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,239,620.80 : 396,359,431.20 = 225,975,868.80 : x
  2. Step 2: Convert to fraction form
    264,239,620.80/396,359,431.20 = 225,975,868.80/x
  3. Step 3: Cross multiply
    264,239,620.80x = 396,359,431.20 × 225,975,868.80
  4. Step 4: Simplify right side
    264,239,620.80x = 89,567,666,822,493,824
  5. Step 5: Solve for x
    x = 89,567,666,822,493,824/264,239,620.80
  6. Step 6: Final answer
    x = 338,963,803.20

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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.