Home / 319,598,190.30-440,920,007.37-185,613,297.42

Finding the Fourth Proportional to 319,598,190.30, 440,920,007.37 and 185,613,297.42

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Solution

The fourth proportional to 319,598,190.30, 440,920,007.37 and 185,613,297.42 is: 256,073,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,598,190.30 : 440,920,007.37 = 185,613,297.42 : x
  2. Step 2: Convert to fraction form
    319,598,190.30/440,920,007.37 = 185,613,297.42/x
  3. Step 3: Cross multiply
    319,598,190.30x = 440,920,007.37 × 185,613,297.42
  4. Step 4: Simplify right side
    319,598,190.30x = 81,840,616,466,396,400
  5. Step 5: Solve for x
    x = 81,840,616,466,396,400/319,598,190.30
  6. Step 6: Final answer
    x = 256,073,466.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.