Home / 21,968,584,901,766-30,314,676,666,342-12,720,193,403,198

Finding the Fourth Proportional to 21,968,584,901,766, 30,314,676,666,342 and 12,720,193,403,198

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Solution

The fourth proportional to 21,968,584,901,766, 30,314,676,666,342 and 12,720,193,403,198 is: 17,552,725,943,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968,584,901,766 : 30,314,676,666,342 = 12,720,193,403,198 : x
  2. Step 2: Convert to fraction form
    21,968,584,901,766/30,314,676,666,342 = 12,720,193,403,198/x
  3. Step 3: Cross multiply
    21,968,584,901,766x = 30,314,676,666,342 × 12,720,193,403,198
  4. Step 4: Simplify right side
    21,968,584,901,766x = 385,608,550,151,283,825,683,988,480
  5. Step 5: Solve for x
    x = 385,608,550,151,283,825,683,988,480/21,968,584,901,766
  6. Step 6: Final answer
    x = 17,552,725,943,685.42

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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.