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Finding the Fourth Proportional to 193,091,903,999.60, 289,637,855,999.40 and 193,091,903,999.60

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Solution

The fourth proportional to 193,091,903,999.60, 289,637,855,999.40 and 193,091,903,999.60 is: 289,637,855,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,091,903,999.60 : 289,637,855,999.40 = 193,091,903,999.60 : x
  2. Step 2: Convert to fraction form
    193,091,903,999.60/289,637,855,999.40 = 193,091,903,999.60/x
  3. Step 3: Cross multiply
    193,091,903,999.60x = 289,637,855,999.40 × 193,091,903,999.60
  4. Step 4: Simplify right side
    193,091,903,999.60x = 55,926,725,085,286,117,670,912
  5. Step 5: Solve for x
    x = 55,926,725,085,286,117,670,912/193,091,903,999.60
  6. Step 6: Final answer
    x = 289,637,855,999.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.