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Finding the Fourth Proportional to 13,963,571,690.40, 20,945,357,535.60 and 13,963,571,690.40

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Solution

The fourth proportional to 13,963,571,690.40, 20,945,357,535.60 and 13,963,571,690.40 is: 20,945,357,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963,571,690.40 : 20,945,357,535.60 = 13,963,571,690.40 : x
  2. Step 2: Convert to fraction form
    13,963,571,690.40/20,945,357,535.60 = 13,963,571,690.40/x
  3. Step 3: Cross multiply
    13,963,571,690.40x = 20,945,357,535.60 × 13,963,571,690.40
  4. Step 4: Simplify right side
    13,963,571,690.40x = 292,472,001,529,410,453,504
  5. Step 5: Solve for x
    x = 292,472,001,529,410,453,504/13,963,571,690.40
  6. Step 6: Final answer
    x = 20,945,357,535.60

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Double scale
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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.