Home / 285,180,600.47-427,034,181.51-196,821,818.55

Finding the Fourth Proportional to 285,180,600.47, 427,034,181.51 and 196,821,818.55

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Solution

The fourth proportional to 285,180,600.47, 427,034,181.51 and 196,821,818.55 is: 294,724,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,180,600.47 : 427,034,181.51 = 196,821,818.55 : x
  2. Step 2: Convert to fraction form
    285,180,600.47/427,034,181.51 = 196,821,818.55/x
  3. Step 3: Cross multiply
    285,180,600.47x = 427,034,181.51 × 196,821,818.55
  4. Step 4: Simplify right side
    285,180,600.47x = 84,049,644,187,808,992
  5. Step 5: Solve for x
    x = 84,049,644,187,808,992/285,180,600.47
  6. Step 6: Final answer
    x = 294,724,269.64

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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.