Home / 694,282,056.16-958,045,915.20-411,975,853.60

Finding the Fourth Proportional to 694,282,056.16, 958,045,915.20 and 411,975,853.60

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Solution

The fourth proportional to 694,282,056.16, 958,045,915.20 and 411,975,853.60 is: 568,489,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,282,056.16 : 958,045,915.20 = 411,975,853.60 : x
  2. Step 2: Convert to fraction form
    694,282,056.16/958,045,915.20 = 411,975,853.60/x
  3. Step 3: Cross multiply
    694,282,056.16x = 958,045,915.20 × 411,975,853.60
  4. Step 4: Simplify right side
    694,282,056.16x = 394,691,783,702,513,280
  5. Step 5: Solve for x
    x = 394,691,783,702,513,280/694,282,056.16
  6. Step 6: Final answer
    x = 568,489,103.53

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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.