Home / 443,232,576.85-664,848,865.28-298,113,754.45

Finding the Fourth Proportional to 443,232,576.85, 664,848,865.28 and 298,113,754.45

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Solution

The fourth proportional to 443,232,576.85, 664,848,865.28 and 298,113,754.45 is: 447,170,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,576.85 : 664,848,865.28 = 298,113,754.45 : x
  2. Step 2: Convert to fraction form
    443,232,576.85/664,848,865.28 = 298,113,754.45/x
  3. Step 3: Cross multiply
    443,232,576.85x = 664,848,865.28 × 298,113,754.45
  4. Step 4: Simplify right side
    443,232,576.85x = 198,200,591,368,952,480
  5. Step 5: Solve for x
    x = 198,200,591,368,952,480/443,232,576.85
  6. Step 6: Final answer
    x = 447,170,631.68

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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.