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Finding the Fourth Proportional to 129,409,763,077.80, 193,824,406,971.90 and 129,409,763,077.80

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Solution

The fourth proportional to 129,409,763,077.80, 193,824,406,971.90 and 129,409,763,077.80 is: 193,824,406,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,409,763,077.80 : 193,824,406,971.90 = 129,409,763,077.80 : x
  2. Step 2: Convert to fraction form
    129,409,763,077.80/193,824,406,971.90 = 129,409,763,077.80/x
  3. Step 3: Cross multiply
    129,409,763,077.80x = 193,824,406,971.90 × 129,409,763,077.80
  4. Step 4: Simplify right side
    129,409,763,077.80x = 25,082,770,584,928,664,944,640
  5. Step 5: Solve for x
    x = 25,082,770,584,928,664,944,640/129,409,763,077.80
  6. Step 6: Final answer
    x = 193,824,406,971.90

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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.