Home / 619,003,898.99-928,505,682.37-424,325,103.27

Finding the Fourth Proportional to 619,003,898.99, 928,505,682.37 and 424,325,103.27

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Solution

The fourth proportional to 619,003,898.99, 928,505,682.37 and 424,325,103.27 is: 636,487,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,003,898.99 : 928,505,682.37 = 424,325,103.27 : x
  2. Step 2: Convert to fraction form
    619,003,898.99/928,505,682.37 = 424,325,103.27/x
  3. Step 3: Cross multiply
    619,003,898.99x = 928,505,682.37 × 424,325,103.27
  4. Step 4: Simplify right side
    619,003,898.99x = 393,988,269,558,309,824
  5. Step 5: Solve for x
    x = 393,988,269,558,309,824/619,003,898.99
  6. Step 6: Final answer
    x = 636,487,541.03

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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.