Home / 421,853,167.26-582,162,027.12-233,684,343.36

Finding the Fourth Proportional to 421,853,167.26, 582,162,027.12 and 233,684,343.36

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Solution

The fourth proportional to 421,853,167.26, 582,162,027.12 and 233,684,343.36 is: 322,486,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,853,167.26 : 582,162,027.12 = 233,684,343.36 : x
  2. Step 2: Convert to fraction form
    421,853,167.26/582,162,027.12 = 233,684,343.36/x
  3. Step 3: Cross multiply
    421,853,167.26x = 582,162,027.12 × 233,684,343.36
  4. Step 4: Simplify right side
    421,853,167.26x = 136,042,151,036,663,728
  5. Step 5: Solve for x
    x = 136,042,151,036,663,728/421,853,167.26
  6. Step 6: Final answer
    x = 322,486,973.18

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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.