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Finding the Fourth Proportional to 2,690,668,853.90, 4,036,003,280.85 and 2,690,668,853.90

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Solution

The fourth proportional to 2,690,668,853.90, 4,036,003,280.85 and 2,690,668,853.90 is: 4,036,003,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,668,853.90 : 4,036,003,280.85 = 2,690,668,853.90 : x
  2. Step 2: Convert to fraction form
    2,690,668,853.90/4,036,003,280.85 = 2,690,668,853.90/x
  3. Step 3: Cross multiply
    2,690,668,853.90x = 4,036,003,280.85 × 2,690,668,853.90
  4. Step 4: Simplify right side
    2,690,668,853.90x = 10,859,548,322,021,310,464
  5. Step 5: Solve for x
    x = 10,859,548,322,021,310,464/2,690,668,853.90
  6. Step 6: Final answer
    x = 4,036,003,280.85

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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.