Home / 499,629,409.45-689,486,055.81-273,564,285.54

Finding the Fourth Proportional to 499,629,409.45, 689,486,055.81 and 273,564,285.54

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Solution

The fourth proportional to 499,629,409.45, 689,486,055.81 and 273,564,285.54 is: 377,517,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,629,409.45 : 689,486,055.81 = 273,564,285.54 : x
  2. Step 2: Convert to fraction form
    499,629,409.45/689,486,055.81 = 273,564,285.54/x
  3. Step 3: Cross multiply
    499,629,409.45x = 689,486,055.81 × 273,564,285.54
  4. Step 4: Simplify right side
    499,629,409.45x = 188,618,760,247,722,848
  5. Step 5: Solve for x
    x = 188,618,760,247,722,848/499,629,409.45
  6. Step 6: Final answer
    x = 377,517,329.21

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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.