Home / 603,857,390.66-905,561,810.48-210,283,147.03

Finding the Fourth Proportional to 603,857,390.66, 905,561,810.48 and 210,283,147.03

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Solution

The fourth proportional to 603,857,390.66, 905,561,810.48 and 210,283,147.03 is: 315,346,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,857,390.66 : 905,561,810.48 = 210,283,147.03 : x
  2. Step 2: Convert to fraction form
    603,857,390.66/905,561,810.48 = 210,283,147.03/x
  3. Step 3: Cross multiply
    603,857,390.66x = 905,561,810.48 × 210,283,147.03
  4. Step 4: Simplify right side
    603,857,390.66x = 190,424,387,332,339,616
  5. Step 5: Solve for x
    x = 190,424,387,332,339,616/603,857,390.66
  6. Step 6: Final answer
    x = 315,346,620.38

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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.