Home / 293,185,009.20-439,777,513.80-279,748,081.20

Finding the Fourth Proportional to 293,185,009.20, 439,777,513.80 and 279,748,081.20

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Solution

The fourth proportional to 293,185,009.20, 439,777,513.80 and 279,748,081.20 is: 419,622,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,185,009.20 : 439,777,513.80 = 279,748,081.20 : x
  2. Step 2: Convert to fraction form
    293,185,009.20/439,777,513.80 = 279,748,081.20/x
  3. Step 3: Cross multiply
    293,185,009.20x = 439,777,513.80 × 279,748,081.20
  4. Step 4: Simplify right side
    293,185,009.20x = 123,026,915,640,456,512
  5. Step 5: Solve for x
    x = 123,026,915,640,456,512/293,185,009.20
  6. Step 6: Final answer
    x = 419,622,121.80

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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.