Home / 320,983,922.70-442,950,319.34-188,833,429.54

Finding the Fourth Proportional to 320,983,922.70, 442,950,319.34 and 188,833,429.54

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Solution

The fourth proportional to 320,983,922.70, 442,950,319.34 and 188,833,429.54 is: 260,585,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,983,922.70 : 442,950,319.34 = 188,833,429.54 : x
  2. Step 2: Convert to fraction form
    320,983,922.70/442,950,319.34 = 188,833,429.54/x
  3. Step 3: Cross multiply
    320,983,922.70x = 442,950,319.34 × 188,833,429.54
  4. Step 4: Simplify right side
    320,983,922.70x = 83,643,827,916,810,384
  5. Step 5: Solve for x
    x = 83,643,827,916,810,384/320,983,922.70
  6. Step 6: Final answer
    x = 260,585,724.09

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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.