Home / 819,220,168.56-1,228,831,435.44-334,545,976.56

Finding the Fourth Proportional to 819,220,168.56, 1,228,831,435.44 and 334,545,976.56

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Solution

The fourth proportional to 819,220,168.56, 1,228,831,435.44 and 334,545,976.56 is: 501,819,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,220,168.56 : 1,228,831,435.44 = 334,545,976.56 : x
  2. Step 2: Convert to fraction form
    819,220,168.56/1,228,831,435.44 = 334,545,976.56/x
  3. Step 3: Cross multiply
    819,220,168.56x = 1,228,831,435.44 × 334,545,976.56
  4. Step 4: Simplify right side
    819,220,168.56x = 411,100,612,596,901,440
  5. Step 5: Solve for x
    x = 411,100,612,596,901,440/819,220,168.56
  6. Step 6: Final answer
    x = 501,819,447.78

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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.