Home / 533,542,469.64-736,288,608.09-289,355,333.64

Finding the Fourth Proportional to 533,542,469.64, 736,288,608.09 and 289,355,333.64

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Solution

The fourth proportional to 533,542,469.64, 736,288,608.09 and 289,355,333.64 is: 399,310,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,469.64 : 736,288,608.09 = 289,355,333.64 : x
  2. Step 2: Convert to fraction form
    533,542,469.64/736,288,608.09 = 289,355,333.64/x
  3. Step 3: Cross multiply
    533,542,469.64x = 736,288,608.09 × 289,355,333.64
  4. Step 4: Simplify right side
    533,542,469.64x = 213,049,035,849,213,152
  5. Step 5: Solve for x
    x = 213,049,035,849,213,152/533,542,469.64
  6. Step 6: Final answer
    x = 399,310,360.42

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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.