Home / 829,753,021.36-1,244,764,606.76-387,537,914.48

Finding the Fourth Proportional to 829,753,021.36, 1,244,764,606.76 and 387,537,914.48

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Solution

The fourth proportional to 829,753,021.36, 1,244,764,606.76 and 387,537,914.48 is: 581,369,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,753,021.36 : 1,244,764,606.76 = 387,537,914.48 : x
  2. Step 2: Convert to fraction form
    829,753,021.36/1,244,764,606.76 = 387,537,914.48/x
  3. Step 3: Cross multiply
    829,753,021.36x = 1,244,764,606.76 × 387,537,914.48
  4. Step 4: Simplify right side
    829,753,021.36x = 482,393,479,722,287,744
  5. Step 5: Solve for x
    x = 482,393,479,722,287,744/829,753,021.36
  6. Step 6: Final answer
    x = 581,369,958.66

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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.