Home / 323,734,603.20-485,601,904.80-289,722,379.20

Finding the Fourth Proportional to 323,734,603.20, 485,601,904.80 and 289,722,379.20

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Solution

The fourth proportional to 323,734,603.20, 485,601,904.80 and 289,722,379.20 is: 434,583,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,734,603.20 : 485,601,904.80 = 289,722,379.20 : x
  2. Step 2: Convert to fraction form
    323,734,603.20/485,601,904.80 = 289,722,379.20/x
  3. Step 3: Cross multiply
    323,734,603.20x = 485,601,904.80 × 289,722,379.20
  4. Step 4: Simplify right side
    323,734,603.20x = 140,689,739,202,707,904
  5. Step 5: Solve for x
    x = 140,689,739,202,707,904/323,734,603.20
  6. Step 6: Final answer
    x = 434,583,568.80

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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.