Home / 1,092,099,667.20-1,638,149,500.80-401,864,096.40

Finding the Fourth Proportional to 1,092,099,667.20, 1,638,149,500.80 and 401,864,096.40

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Solution

The fourth proportional to 1,092,099,667.20, 1,638,149,500.80 and 401,864,096.40 is: 602,796,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,099,667.20 : 1,638,149,500.80 = 401,864,096.40 : x
  2. Step 2: Convert to fraction form
    1,092,099,667.20/1,638,149,500.80 = 401,864,096.40/x
  3. Step 3: Cross multiply
    1,092,099,667.20x = 1,638,149,500.80 × 401,864,096.40
  4. Step 4: Simplify right side
    1,092,099,667.20x = 658,313,468,907,102,976
  5. Step 5: Solve for x
    x = 658,313,468,907,102,976/1,092,099,667.20
  6. Step 6: Final answer
    x = 602,796,144.60

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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.