Home / 533,542,469.63-736,288,608.09-289,355,333.63

Finding the Fourth Proportional to 533,542,469.63, 736,288,608.09 and 289,355,333.63

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Solution

The fourth proportional to 533,542,469.63, 736,288,608.09 and 289,355,333.63 is: 399,310,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,469.63 : 736,288,608.09 = 289,355,333.63 : x
  2. Step 2: Convert to fraction form
    533,542,469.63/736,288,608.09 = 289,355,333.63/x
  3. Step 3: Cross multiply
    533,542,469.63x = 736,288,608.09 × 289,355,333.63
  4. Step 4: Simplify right side
    533,542,469.63x = 213,049,035,838,168,832
  5. Step 5: Solve for x
    x = 213,049,035,838,168,832/533,542,469.63
  6. Step 6: Final answer
    x = 399,310,360.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.