Home / 437,098,455.80-655,647,683.70-412,016,190.20

Finding the Fourth Proportional to 437,098,455.80, 655,647,683.70 and 412,016,190.20

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Solution

The fourth proportional to 437,098,455.80, 655,647,683.70 and 412,016,190.20 is: 618,024,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,098,455.80 : 655,647,683.70 = 412,016,190.20 : x
  2. Step 2: Convert to fraction form
    437,098,455.80/655,647,683.70 = 412,016,190.20/x
  3. Step 3: Cross multiply
    437,098,455.80x = 655,647,683.70 × 412,016,190.20
  4. Step 4: Simplify right side
    437,098,455.80x = 270,137,460,751,528,640
  5. Step 5: Solve for x
    x = 270,137,460,751,528,640/437,098,455.80
  6. Step 6: Final answer
    x = 618,024,285.30

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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.