Home / 481,491,009.28-664,660,995.18-325,069,989.58

Finding the Fourth Proportional to 481,491,009.28, 664,660,995.18 and 325,069,989.58

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Solution

The fourth proportional to 481,491,009.28, 664,660,995.18 and 325,069,989.58 is: 448,733,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,491,009.28 : 664,660,995.18 = 325,069,989.58 : x
  2. Step 2: Convert to fraction form
    481,491,009.28/664,660,995.18 = 325,069,989.58/x
  3. Step 3: Cross multiply
    481,491,009.28x = 664,660,995.18 × 325,069,989.58
  4. Step 4: Simplify right side
    481,491,009.28x = 216,061,342,777,395,008
  5. Step 5: Solve for x
    x = 216,061,342,777,395,008/481,491,009.28
  6. Step 6: Final answer
    x = 448,733,909.07

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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.