Home / 443,232,604.35-664,848,906.53-298,113,781.95

Finding the Fourth Proportional to 443,232,604.35, 664,848,906.53 and 298,113,781.95

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Solution

The fourth proportional to 443,232,604.35, 664,848,906.53 and 298,113,781.95 is: 447,170,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,604.35 : 664,848,906.53 = 298,113,781.95 : x
  2. Step 2: Convert to fraction form
    443,232,604.35/664,848,906.53 = 298,113,781.95/x
  3. Step 3: Cross multiply
    443,232,604.35x = 664,848,906.53 × 298,113,781.95
  4. Step 4: Simplify right side
    443,232,604.35x = 198,200,621,949,489,760
  5. Step 5: Solve for x
    x = 198,200,621,949,489,760/443,232,604.35
  6. Step 6: Final answer
    x = 447,170,672.93

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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.