Home / 448,380,943.35-672,571,415.03-325,936,936.95

Finding the Fourth Proportional to 448,380,943.35, 672,571,415.03 and 325,936,936.95

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Solution

The fourth proportional to 448,380,943.35, 672,571,415.03 and 325,936,936.95 is: 488,905,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,380,943.35 : 672,571,415.03 = 325,936,936.95 : x
  2. Step 2: Convert to fraction form
    448,380,943.35/672,571,415.03 = 325,936,936.95/x
  3. Step 3: Cross multiply
    448,380,943.35x = 672,571,415.03 × 325,936,936.95
  4. Step 4: Simplify right side
    448,380,943.35x = 219,215,866,893,375,680
  5. Step 5: Solve for x
    x = 219,215,866,893,375,680/448,380,943.35
  6. Step 6: Final answer
    x = 488,905,405.43

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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.