Home / 300,307,363.79-450,296,832.11-238,455,992.48

Finding the Fourth Proportional to 300,307,363.79, 450,296,832.11 and 238,455,992.48

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Solution

The fourth proportional to 300,307,363.79, 450,296,832.11 and 238,455,992.48 is: 357,553,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,307,363.79 : 450,296,832.11 = 238,455,992.48 : x
  2. Step 2: Convert to fraction form
    300,307,363.79/450,296,832.11 = 238,455,992.48/x
  3. Step 3: Cross multiply
    300,307,363.79x = 450,296,832.11 × 238,455,992.48
  4. Step 4: Simplify right side
    300,307,363.79x = 107,375,978,007,946,224
  5. Step 5: Solve for x
    x = 107,375,978,007,946,224/300,307,363.79
  6. Step 6: Final answer
    x = 357,553,596.60

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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.