Home / 533,542,484.50-736,288,628.61-289,355,348.50

Finding the Fourth Proportional to 533,542,484.50, 736,288,628.61 and 289,355,348.50

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Solution

The fourth proportional to 533,542,484.50, 736,288,628.61 and 289,355,348.50 is: 399,310,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,484.50 : 736,288,628.61 = 289,355,348.50 : x
  2. Step 2: Convert to fraction form
    533,542,484.50/736,288,628.61 = 289,355,348.50/x
  3. Step 3: Cross multiply
    533,542,484.50x = 736,288,628.61 × 289,355,348.50
  4. Step 4: Simplify right side
    533,542,484.50x = 213,049,052,728,033,632
  5. Step 5: Solve for x
    x = 213,049,052,728,033,632/533,542,484.50
  6. Step 6: Final answer
    x = 399,310,380.93

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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.