Home / 13,436,975,999.80-20,155,463,999.70-11,804,389,247.80

Finding the Fourth Proportional to 13,436,975,999.80, 20,155,463,999.70 and 11,804,389,247.80

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Solution

The fourth proportional to 13,436,975,999.80, 20,155,463,999.70 and 11,804,389,247.80 is: 17,706,583,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,975,999.80 : 20,155,463,999.70 = 11,804,389,247.80 : x
  2. Step 2: Convert to fraction form
    13,436,975,999.80/20,155,463,999.70 = 11,804,389,247.80/x
  3. Step 3: Cross multiply
    13,436,975,999.80x = 20,155,463,999.70 × 11,804,389,247.80
  4. Step 4: Simplify right side
    13,436,975,999.80x = 237,922,942,522,478,657,536
  5. Step 5: Solve for x
    x = 237,922,942,522,478,657,536/13,436,975,999.80
  6. Step 6: Final answer
    x = 17,706,583,871.70

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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.