Home / 694,282,040.16-958,045,893.12-411,975,837.60

Finding the Fourth Proportional to 694,282,040.16, 958,045,893.12 and 411,975,837.60

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Solution

The fourth proportional to 694,282,040.16, 958,045,893.12 and 411,975,837.60 is: 568,489,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,282,040.16 : 958,045,893.12 = 411,975,837.60 : x
  2. Step 2: Convert to fraction form
    694,282,040.16/958,045,893.12 = 411,975,837.60/x
  3. Step 3: Cross multiply
    694,282,040.16x = 958,045,893.12 × 411,975,837.60
  4. Step 4: Simplify right side
    694,282,040.16x = 394,691,759,277,352,128
  5. Step 5: Solve for x
    x = 394,691,759,277,352,128/694,282,040.16
  6. Step 6: Final answer
    x = 568,489,081.45

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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.