Home / 20,423,481,971.70-30,572,389,837.44-13,325,681,580.60

Finding the Fourth Proportional to 20,423,481,971.70, 30,572,389,837.44 and 13,325,681,580.60

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Solution

The fourth proportional to 20,423,481,971.70, 30,572,389,837.44 and 13,325,681,580.60 is: 19,947,525,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423,481,971.70 : 30,572,389,837.44 = 13,325,681,580.60 : x
  2. Step 2: Convert to fraction form
    20,423,481,971.70/30,572,389,837.44 = 13,325,681,580.60/x
  3. Step 3: Cross multiply
    20,423,481,971.70x = 30,572,389,837.44 × 13,325,681,580.60
  4. Step 4: Simplify right side
    20,423,481,971.70x = 407,397,932,131,696,836,608
  5. Step 5: Solve for x
    x = 407,397,932,131,696,836,608/20,423,481,971.70
  6. Step 6: Final answer
    x = 19,947,525,730.25

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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.