Home / 412,831,233.80-619,246,850.70-140,202,000.80

Finding the Fourth Proportional to 412,831,233.80, 619,246,850.70 and 140,202,000.80

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Solution

The fourth proportional to 412,831,233.80, 619,246,850.70 and 140,202,000.80 is: 210,303,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,831,233.80 : 619,246,850.70 = 140,202,000.80 : x
  2. Step 2: Convert to fraction form
    412,831,233.80/619,246,850.70 = 140,202,000.80/x
  3. Step 3: Cross multiply
    412,831,233.80x = 619,246,850.70 × 140,202,000.80
  4. Step 4: Simplify right side
    412,831,233.80x = 86,819,647,457,238,896
  5. Step 5: Solve for x
    x = 86,819,647,457,238,896/412,831,233.80
  6. Step 6: Final answer
    x = 210,303,001.20

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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.