Home / 533,542,486.50-736,288,631.37-289,355,350.50

Finding the Fourth Proportional to 533,542,486.50, 736,288,631.37 and 289,355,350.50

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Solution

The fourth proportional to 533,542,486.50, 736,288,631.37 and 289,355,350.50 is: 399,310,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,486.50 : 736,288,631.37 = 289,355,350.50 : x
  2. Step 2: Convert to fraction form
    533,542,486.50/736,288,631.37 = 289,355,350.50/x
  3. Step 3: Cross multiply
    533,542,486.50x = 736,288,631.37 × 289,355,350.50
  4. Step 4: Simplify right side
    533,542,486.50x = 213,049,054,999,231,648
  5. Step 5: Solve for x
    x = 213,049,054,999,231,648/533,542,486.50
  6. Step 6: Final answer
    x = 399,310,383.69

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