Home / 455,293,943.73-682,894,954.22-308,682,865.49

Finding the Fourth Proportional to 455,293,943.73, 682,894,954.22 and 308,682,865.49

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Solution

The fourth proportional to 455,293,943.73, 682,894,954.22 and 308,682,865.49 is: 462,993,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,293,943.73 : 682,894,954.22 = 308,682,865.49 : x
  2. Step 2: Convert to fraction form
    455,293,943.73/682,894,954.22 = 308,682,865.49/x
  3. Step 3: Cross multiply
    455,293,943.73x = 682,894,954.22 × 308,682,865.49
  4. Step 4: Simplify right side
    455,293,943.73x = 210,797,971,292,334,112
  5. Step 5: Solve for x
    x = 210,797,971,292,334,112/455,293,943.73
  6. Step 6: Final answer
    x = 462,993,137.06

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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.