Home / 380,991,544.91-525,650,501.91-222,109,204.53

Finding the Fourth Proportional to 380,991,544.91, 525,650,501.91 and 222,109,204.53

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Solution

The fourth proportional to 380,991,544.91, 525,650,501.91 and 222,109,204.53 is: 306,442,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,991,544.91 : 525,650,501.91 = 222,109,204.53 : x
  2. Step 2: Convert to fraction form
    380,991,544.91/525,650,501.91 = 222,109,204.53/x
  3. Step 3: Cross multiply
    380,991,544.91x = 525,650,501.91 × 222,109,204.53
  4. Step 4: Simplify right side
    380,991,544.91x = 116,751,814,840,025,360
  5. Step 5: Solve for x
    x = 116,751,814,840,025,360/380,991,544.91
  6. Step 6: Final answer
    x = 306,442,010.07

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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.