Home / 603,857,387.90-905,561,806.35-210,283,144.27

Finding the Fourth Proportional to 603,857,387.90, 905,561,806.35 and 210,283,144.27

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Solution

The fourth proportional to 603,857,387.90, 905,561,806.35 and 210,283,144.27 is: 315,346,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,857,387.90 : 905,561,806.35 = 210,283,144.27 : x
  2. Step 2: Convert to fraction form
    603,857,387.90/905,561,806.35 = 210,283,144.27/x
  3. Step 3: Cross multiply
    603,857,387.90x = 905,561,806.35 × 210,283,144.27
  4. Step 4: Simplify right side
    603,857,387.90x = 190,424,383,967,834,976
  5. Step 5: Solve for x
    x = 190,424,383,967,834,976/603,857,387.90
  6. Step 6: Final answer
    x = 315,346,616.25

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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.