Home / 365,650,992.52-548,153,634.83-279,772,784.12

Finding the Fourth Proportional to 365,650,992.52, 548,153,634.83 and 279,772,784.12

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Solution

The fourth proportional to 365,650,992.52, 548,153,634.83 and 279,772,784.12 is: 419,412,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,650,992.52 : 548,153,634.83 = 279,772,784.12 : x
  2. Step 2: Convert to fraction form
    365,650,992.52/548,153,634.83 = 279,772,784.12/x
  3. Step 3: Cross multiply
    365,650,992.52x = 548,153,634.83 × 279,772,784.12
  4. Step 4: Simplify right side
    365,650,992.52x = 153,358,468,541,858,432
  5. Step 5: Solve for x
    x = 153,358,468,541,858,432/365,650,992.52
  6. Step 6: Final answer
    x = 419,412,148.96

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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.