Home / 419,981,518.66-630,002,548.59-161,196,739.30

Finding the Fourth Proportional to 419,981,518.66, 630,002,548.59 and 161,196,739.30

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Solution

The fourth proportional to 419,981,518.66, 630,002,548.59 and 161,196,739.30 is: 241,806,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,981,518.66 : 630,002,548.59 = 161,196,739.30 : x
  2. Step 2: Convert to fraction form
    419,981,518.66/630,002,548.59 = 161,196,739.30/x
  3. Step 3: Cross multiply
    419,981,518.66x = 630,002,548.59 × 161,196,739.30
  4. Step 4: Simplify right side
    419,981,518.66x = 101,554,356,583,397,824
  5. Step 5: Solve for x
    x = 101,554,356,583,397,824/419,981,518.66
  6. Step 6: Final answer
    x = 241,806,727.37

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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.