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Finding the Fourth Proportional to 20,460,762,004.60, 30,691,143,006.90 and 20,460,762,004.60

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Solution

The fourth proportional to 20,460,762,004.60, 30,691,143,006.90 and 20,460,762,004.60 is: 30,691,143,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,762,004.60 : 30,691,143,006.90 = 20,460,762,004.60 : x
  2. Step 2: Convert to fraction form
    20,460,762,004.60/30,691,143,006.90 = 20,460,762,004.60/x
  3. Step 3: Cross multiply
    20,460,762,004.60x = 30,691,143,006.90 × 20,460,762,004.60
  4. Step 4: Simplify right side
    20,460,762,004.60x = 627,964,172,713,324,445,696
  5. Step 5: Solve for x
    x = 627,964,172,713,324,445,696/20,460,762,004.60
  6. Step 6: Final answer
    x = 30,691,143,006.90

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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.