Home / 682,200,968.82-941,440,173.99-368,935,182.81

Finding the Fourth Proportional to 682,200,968.82, 941,440,173.99 and 368,935,182.81

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Solution

The fourth proportional to 682,200,968.82, 941,440,173.99 and 368,935,182.81 is: 509,132,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,200,968.82 : 941,440,173.99 = 368,935,182.81 : x
  2. Step 2: Convert to fraction form
    682,200,968.82/941,440,173.99 = 368,935,182.81/x
  3. Step 3: Cross multiply
    682,200,968.82x = 941,440,173.99 × 368,935,182.81
  4. Step 4: Simplify right side
    682,200,968.82x = 347,330,402,695,678,848
  5. Step 5: Solve for x
    x = 347,330,402,695,678,848/682,200,968.82
  6. Step 6: Final answer
    x = 509,132,086.54

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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.