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Finding the Fourth Proportional to 2,690,434,531.85, 4,035,651,797.78 and 2,690,434,531.85

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Solution

The fourth proportional to 2,690,434,531.85, 4,035,651,797.78 and 2,690,434,531.85 is: 4,035,651,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,434,531.85 : 4,035,651,797.78 = 2,690,434,531.85 : x
  2. Step 2: Convert to fraction form
    2,690,434,531.85/4,035,651,797.78 = 2,690,434,531.85/x
  3. Step 3: Cross multiply
    2,690,434,531.85x = 4,035,651,797.78 × 2,690,434,531.85
  4. Step 4: Simplify right side
    2,690,434,531.85x = 10,857,656,955,256,393,728
  5. Step 5: Solve for x
    x = 10,857,656,955,256,393,728/2,690,434,531.85
  6. Step 6: Final answer
    x = 4,035,651,797.78

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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.