Home / 481,491,042.78-664,661,041.40-325,070,023.08

Finding the Fourth Proportional to 481,491,042.78, 664,661,041.40 and 325,070,023.08

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Solution

The fourth proportional to 481,491,042.78, 664,661,041.40 and 325,070,023.08 is: 448,733,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,491,042.78 : 664,661,041.40 = 325,070,023.08 : x
  2. Step 2: Convert to fraction form
    481,491,042.78/664,661,041.40 = 325,070,023.08/x
  3. Step 3: Cross multiply
    481,491,042.78x = 664,661,041.40 × 325,070,023.08
  4. Step 4: Simplify right side
    481,491,042.78x = 216,061,380,068,274,816
  5. Step 5: Solve for x
    x = 216,061,380,068,274,816/481,491,042.78
  6. Step 6: Final answer
    x = 448,733,955.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.