Home / 694,282,076.16-958,045,942.80-411,975,873.60

Finding the Fourth Proportional to 694,282,076.16, 958,045,942.80 and 411,975,873.60

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Solution

The fourth proportional to 694,282,076.16, 958,045,942.80 and 411,975,873.60 is: 568,489,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,282,076.16 : 958,045,942.80 = 411,975,873.60 : x
  2. Step 2: Convert to fraction form
    694,282,076.16/958,045,942.80 = 411,975,873.60/x
  3. Step 3: Cross multiply
    694,282,076.16x = 958,045,942.80 × 411,975,873.60
  4. Step 4: Simplify right side
    694,282,076.16x = 394,691,814,233,965,632
  5. Step 5: Solve for x
    x = 394,691,814,233,965,632/694,282,076.16
  6. Step 6: Final answer
    x = 568,489,131.13

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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.