Home / 21,982,447,738.01-30,259,191,065.64-19,158,200,202.89

Finding the Fourth Proportional to 21,982,447,738.01, 30,259,191,065.64 and 19,158,200,202.89

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Solution

The fourth proportional to 21,982,447,738.01, 30,259,191,065.64 and 19,158,200,202.89 is: 26,371,569,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982,447,738.01 : 30,259,191,065.64 = 19,158,200,202.89 : x
  2. Step 2: Convert to fraction form
    21,982,447,738.01/30,259,191,065.64 = 19,158,200,202.89/x
  3. Step 3: Cross multiply
    21,982,447,738.01x = 30,259,191,065.64 × 19,158,200,202.89
  4. Step 4: Simplify right side
    21,982,447,738.01x = 579,711,640,412,880,175,104
  5. Step 5: Solve for x
    x = 579,711,640,412,880,175,104/21,982,447,738.01
  6. Step 6: Final answer
    x = 26,371,569,141.08

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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.