Home / 1,285,743,201.48-1,928,408,196.20-352,848,127.14

Finding the Fourth Proportional to 1,285,743,201.48, 1,928,408,196.20 and 352,848,127.14

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Solution

The fourth proportional to 1,285,743,201.48, 1,928,408,196.20 and 352,848,127.14 is: 529,215,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,743,201.48 : 1,928,408,196.20 = 352,848,127.14 : x
  2. Step 2: Convert to fraction form
    1,285,743,201.48/1,928,408,196.20 = 352,848,127.14/x
  3. Step 3: Cross multiply
    1,285,743,201.48x = 1,928,408,196.20 × 352,848,127.14
  4. Step 4: Simplify right side
    1,285,743,201.48x = 680,435,220,388,831,360
  5. Step 5: Solve for x
    x = 680,435,220,388,831,360/1,285,743,201.48
  6. Step 6: Final answer
    x = 529,215,491.56

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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.