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Finding the Fourth Proportional to 11,478,879,350.70, 17,191,109,246.85 and 11,478,879,350.70

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Solution

The fourth proportional to 11,478,879,350.70, 17,191,109,246.85 and 11,478,879,350.70 is: 17,191,109,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,879,350.70 : 17,191,109,246.85 = 11,478,879,350.70 : x
  2. Step 2: Convert to fraction form
    11,478,879,350.70/17,191,109,246.85 = 11,478,879,350.70/x
  3. Step 3: Cross multiply
    11,478,879,350.70x = 17,191,109,246.85 × 11,478,879,350.70
  4. Step 4: Simplify right side
    11,478,879,350.70x = 197,334,668,949,294,284,800
  5. Step 5: Solve for x
    x = 197,334,668,949,294,284,800/11,478,879,350.70
  6. Step 6: Final answer
    x = 17,191,109,246.85

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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.