Home / 323,716,846.20-485,575,269.30-289,704,622.20

Finding the Fourth Proportional to 323,716,846.20, 485,575,269.30 and 289,704,622.20

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Solution

The fourth proportional to 323,716,846.20, 485,575,269.30 and 289,704,622.20 is: 434,556,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,716,846.20 : 485,575,269.30 = 289,704,622.20 : x
  2. Step 2: Convert to fraction form
    323,716,846.20/485,575,269.30 = 289,704,622.20/x
  3. Step 3: Cross multiply
    323,716,846.20x = 485,575,269.30 × 289,704,622.20
  4. Step 4: Simplify right side
    323,716,846.20x = 140,673,399,942,219,760
  5. Step 5: Solve for x
    x = 140,673,399,942,219,760/323,716,846.20
  6. Step 6: Final answer
    x = 434,556,933.30

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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.