Home / 327,408,890.70-490,822,840.08-120,099,616.01

Finding the Fourth Proportional to 327,408,890.70, 490,822,840.08 and 120,099,616.01

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Solution

The fourth proportional to 327,408,890.70, 490,822,840.08 and 120,099,616.01 is: 180,042,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,408,890.70 : 490,822,840.08 = 120,099,616.01 : x
  2. Step 2: Convert to fraction form
    327,408,890.70/490,822,840.08 = 120,099,616.01/x
  3. Step 3: Cross multiply
    327,408,890.70x = 490,822,840.08 × 120,099,616.01
  4. Step 4: Simplify right side
    327,408,890.70x = 58,947,634,620,091,520
  5. Step 5: Solve for x
    x = 58,947,634,620,091,520/327,408,890.70
  6. Step 6: Final answer
    x = 180,042,864.73

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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.