Home / 352,512,576.40-528,768,864.60-327,318,336.40

Finding the Fourth Proportional to 352,512,576.40, 528,768,864.60 and 327,318,336.40

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Solution

The fourth proportional to 352,512,576.40, 528,768,864.60 and 327,318,336.40 is: 490,977,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,576.40 : 528,768,864.60 = 327,318,336.40 : x
  2. Step 2: Convert to fraction form
    352,512,576.40/528,768,864.60 = 327,318,336.40/x
  3. Step 3: Cross multiply
    352,512,576.40x = 528,768,864.60 × 327,318,336.40
  4. Step 4: Simplify right side
    352,512,576.40x = 173,075,745,100,988,832
  5. Step 5: Solve for x
    x = 173,075,745,100,988,832/352,512,576.40
  6. Step 6: Final answer
    x = 490,977,504.60

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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.