Home / 412,485,083.16-569,216,383.74-226,845,524.76

Finding the Fourth Proportional to 412,485,083.16, 569,216,383.74 and 226,845,524.76

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Solution

The fourth proportional to 412,485,083.16, 569,216,383.74 and 226,845,524.76 is: 313,039,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,485,083.16 : 569,216,383.74 = 226,845,524.76 : x
  2. Step 2: Convert to fraction form
    412,485,083.16/569,216,383.74 = 226,845,524.76/x
  3. Step 3: Cross multiply
    412,485,083.16x = 569,216,383.74 × 226,845,524.76
  4. Step 4: Simplify right side
    412,485,083.16x = 129,124,189,271,489,824
  5. Step 5: Solve for x
    x = 129,124,189,271,489,824/412,485,083.16
  6. Step 6: Final answer
    x = 313,039,657.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.