Home / 320,315,550.36-442,007,955.72-186,378,246.60

Finding the Fourth Proportional to 320,315,550.36, 442,007,955.72 and 186,378,246.60

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Solution

The fourth proportional to 320,315,550.36, 442,007,955.72 and 186,378,246.60 is: 257,185,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,315,550.36 : 442,007,955.72 = 186,378,246.60 : x
  2. Step 2: Convert to fraction form
    320,315,550.36/442,007,955.72 = 186,378,246.60/x
  3. Step 3: Cross multiply
    320,315,550.36x = 442,007,955.72 × 186,378,246.60
  4. Step 4: Simplify right side
    320,315,550.36x = 82,380,667,770,344,048
  5. Step 5: Solve for x
    x = 82,380,667,770,344,048/320,315,550.36
  6. Step 6: Final answer
    x = 257,185,977.01

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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.