Home / 21,982,447,736.51-30,259,191,063.57-19,158,200,201.39

Finding the Fourth Proportional to 21,982,447,736.51, 30,259,191,063.57 and 19,158,200,201.39

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Solution

The fourth proportional to 21,982,447,736.51, 30,259,191,063.57 and 19,158,200,201.39 is: 26,371,569,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982,447,736.51 : 30,259,191,063.57 = 19,158,200,201.39 : x
  2. Step 2: Convert to fraction form
    21,982,447,736.51/30,259,191,063.57 = 19,158,200,201.39/x
  3. Step 3: Cross multiply
    21,982,447,736.51x = 30,259,191,063.57 × 19,158,200,201.39
  4. Step 4: Simplify right side
    21,982,447,736.51x = 579,711,640,327,996,309,504
  5. Step 5: Solve for x
    x = 579,711,640,327,996,309,504/21,982,447,736.51
  6. Step 6: Final answer
    x = 26,371,569,139.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.