Home / 405,345,797.82-559,378,025.25-219,706,939.26

Finding the Fourth Proportional to 405,345,797.82, 559,378,025.25 and 219,706,939.26

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Solution

The fourth proportional to 405,345,797.82, 559,378,025.25 and 219,706,939.26 is: 303,196,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,345,797.82 : 559,378,025.25 = 219,706,939.26 : x
  2. Step 2: Convert to fraction form
    405,345,797.82/559,378,025.25 = 219,706,939.26/x
  3. Step 3: Cross multiply
    405,345,797.82x = 559,378,025.25 × 219,706,939.26
  4. Step 4: Simplify right side
    405,345,797.82x = 122,899,233,816,980,496
  5. Step 5: Solve for x
    x = 122,899,233,816,980,496/405,345,797.82
  6. Step 6: Final answer
    x = 303,196,022.95

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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.