Home / 421,853,174.01-582,162,036.48-233,684,350.11

Finding the Fourth Proportional to 421,853,174.01, 582,162,036.48 and 233,684,350.11

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Solution

The fourth proportional to 421,853,174.01, 582,162,036.48 and 233,684,350.11 is: 322,486,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,853,174.01 : 582,162,036.48 = 233,684,350.11 : x
  2. Step 2: Convert to fraction form
    421,853,174.01/582,162,036.48 = 233,684,350.11/x
  3. Step 3: Cross multiply
    421,853,174.01x = 582,162,036.48 × 233,684,350.11
  4. Step 4: Simplify right side
    421,853,174.01x = 136,042,157,153,542,928
  5. Step 5: Solve for x
    x = 136,042,157,153,542,928/421,853,174.01
  6. Step 6: Final answer
    x = 322,486,982.52

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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.