Home / 347,308,758.86-479,286,921.49-190,685,959.25

Finding the Fourth Proportional to 347,308,758.86, 479,286,921.49 and 190,685,959.25

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Solution

The fourth proportional to 347,308,758.86, 479,286,921.49 and 190,685,959.25 is: 263,147,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,308,758.86 : 479,286,921.49 = 190,685,959.25 : x
  2. Step 2: Convert to fraction form
    347,308,758.86/479,286,921.49 = 190,685,959.25/x
  3. Step 3: Cross multiply
    347,308,758.86x = 479,286,921.49 × 190,685,959.25
  4. Step 4: Simplify right side
    347,308,758.86x = 91,393,286,377,426,944
  5. Step 5: Solve for x
    x = 91,393,286,377,426,944/347,308,758.86
  6. Step 6: Final answer
    x = 263,147,081.80

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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.