Home / 294,992,816.40-442,489,224.60-279,876,272.40

Finding the Fourth Proportional to 294,992,816.40, 442,489,224.60 and 279,876,272.40

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Solution

The fourth proportional to 294,992,816.40, 442,489,224.60 and 279,876,272.40 is: 419,814,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,992,816.40 : 442,489,224.60 = 279,876,272.40 : x
  2. Step 2: Convert to fraction form
    294,992,816.40/442,489,224.60 = 279,876,272.40/x
  3. Step 3: Cross multiply
    294,992,816.40x = 442,489,224.60 × 279,876,272.40
  4. Step 4: Simplify right side
    294,992,816.40x = 123,842,234,758,214,384
  5. Step 5: Solve for x
    x = 123,842,234,758,214,384/294,992,816.40
  6. Step 6: Final answer
    x = 419,814,408.60

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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.