Home / 347,296,400.74-479,274,648.33-190,677,945.70

Finding the Fourth Proportional to 347,296,400.74, 479,274,648.33 and 190,677,945.70

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Solution

The fourth proportional to 347,296,400.74, 479,274,648.33 and 190,677,945.70 is: 263,138,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,296,400.74 : 479,274,648.33 = 190,677,945.70 : x
  2. Step 2: Convert to fraction form
    347,296,400.74/479,274,648.33 = 190,677,945.70/x
  3. Step 3: Cross multiply
    347,296,400.74x = 479,274,648.33 × 190,677,945.70
  4. Step 4: Simplify right side
    347,296,400.74x = 91,387,105,369,654,320
  5. Step 5: Solve for x
    x = 91,387,105,369,654,320/347,296,400.74
  6. Step 6: Final answer
    x = 263,138,648.07

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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.