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Finding the Fourth Proportional to 20,038,763,321.40, 30,058,144,982.10 and 20,038,763,321.40

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Solution

The fourth proportional to 20,038,763,321.40, 30,058,144,982.10 and 20,038,763,321.40 is: 30,058,144,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,763,321.40 : 30,058,144,982.10 = 20,038,763,321.40 : x
  2. Step 2: Convert to fraction form
    20,038,763,321.40/30,058,144,982.10 = 20,038,763,321.40/x
  3. Step 3: Cross multiply
    20,038,763,321.40x = 30,058,144,982.10 × 20,038,763,321.40
  4. Step 4: Simplify right side
    20,038,763,321.40x = 602,328,053,176,628,936,704
  5. Step 5: Solve for x
    x = 602,328,053,176,628,936,704/20,038,763,321.40
  6. Step 6: Final answer
    x = 30,058,144,982.10

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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.