Home / 258,321,732-387,664,176.96-233,623,678.56

Finding the Fourth Proportional to 258,321,732, 387,664,176.96 and 233,623,678.56

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Solution

The fourth proportional to 258,321,732, 387,664,176.96 and 233,623,678.56 is: 350,599,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,321,732 : 387,664,176.96 = 233,623,678.56 : x
  2. Step 2: Convert to fraction form
    258,321,732/387,664,176.96 = 233,623,678.56/x
  3. Step 3: Cross multiply
    258,321,732x = 387,664,176.96 × 233,623,678.56
  4. Step 4: Simplify right side
    258,321,732x = 90,567,531,067,330,000
  5. Step 5: Solve for x
    x = 90,567,531,067,330,000/258,321,732
  6. Step 6: Final answer
    x = 350,599,736.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.