Home / 323,847,125.70-485,053,243.20-280,800,404.70

Finding the Fourth Proportional to 323,847,125.70, 485,053,243.20 and 280,800,404.70

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Solution

The fourth proportional to 323,847,125.70, 485,053,243.20 and 280,800,404.70 is: 420,578,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,847,125.70 : 485,053,243.20 = 280,800,404.70 : x
  2. Step 2: Convert to fraction form
    323,847,125.70/485,053,243.20 = 280,800,404.70/x
  3. Step 3: Cross multiply
    323,847,125.70x = 485,053,243.20 × 280,800,404.70
  4. Step 4: Simplify right side
    323,847,125.70x = 136,203,146,991,607,520
  5. Step 5: Solve for x
    x = 136,203,146,991,607,520/323,847,125.70
  6. Step 6: Final answer
    x = 420,578,526.67

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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.