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Finding the Fourth Proportional to 68,971,364,762.40, 103,457,047,143.60 and 68,971,364,762.40

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Solution

The fourth proportional to 68,971,364,762.40, 103,457,047,143.60 and 68,971,364,762.40 is: 103,457,047,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,971,364,762.40 : 103,457,047,143.60 = 68,971,364,762.40 : x
  2. Step 2: Convert to fraction form
    68,971,364,762.40/103,457,047,143.60 = 68,971,364,762.40/x
  3. Step 3: Cross multiply
    68,971,364,762.40x = 103,457,047,143.60 × 68,971,364,762.40
  4. Step 4: Simplify right side
    68,971,364,762.40x = 7,135,573,735,782,048,858,112
  5. Step 5: Solve for x
    x = 7,135,573,735,782,048,858,112/68,971,364,762.40
  6. Step 6: Final answer
    x = 103,457,047,143.60

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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.