Home / 427,410,434,949.55-641,115,652,424.30-148,238,100,357.55

Finding the Fourth Proportional to 427,410,434,949.55, 641,115,652,424.30 and 148,238,100,357.55

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Solution

The fourth proportional to 427,410,434,949.55, 641,115,652,424.30 and 148,238,100,357.55 is: 222,357,150,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,410,434,949.55 : 641,115,652,424.30 = 148,238,100,357.55 : x
  2. Step 2: Convert to fraction form
    427,410,434,949.55/641,115,652,424.30 = 148,238,100,357.55/x
  3. Step 3: Cross multiply
    427,410,434,949.55x = 641,115,652,424.30 × 148,238,100,357.55
  4. Step 4: Simplify right side
    427,410,434,949.55x = 95,037,766,424,869,526,831,104
  5. Step 5: Solve for x
    x = 95,037,766,424,869,526,831,104/427,410,434,949.55
  6. Step 6: Final answer
    x = 222,357,150,536.32

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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.