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Finding the Fourth Proportional to 6,378,277,725.40, 8,907,820,992.20 and 6,378,277,725.40

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Solution

The fourth proportional to 6,378,277,725.40, 8,907,820,992.20 and 6,378,277,725.40 is: 8,907,820,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,277,725.40 : 8,907,820,992.20 = 6,378,277,725.40 : x
  2. Step 2: Convert to fraction form
    6,378,277,725.40/8,907,820,992.20 = 6,378,277,725.40/x
  3. Step 3: Cross multiply
    6,378,277,725.40x = 8,907,820,992.20 × 6,378,277,725.40
  4. Step 4: Simplify right side
    6,378,277,725.40x = 56,816,556,216,399,790,080
  5. Step 5: Solve for x
    x = 56,816,556,216,399,790,080/6,378,277,725.40
  6. Step 6: Final answer
    x = 8,907,820,992.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.