Home / 21,968,584,901,764-30,314,676,666,338-12,720,193,403,195

Finding the Fourth Proportional to 21,968,584,901,764, 30,314,676,666,338 and 12,720,193,403,195

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Solution

The fourth proportional to 21,968,584,901,764, 30,314,676,666,338 and 12,720,193,403,195 is: 17,552,725,943,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968,584,901,764 : 30,314,676,666,338 = 12,720,193,403,195 : x
  2. Step 2: Convert to fraction form
    21,968,584,901,764/30,314,676,666,338 = 12,720,193,403,195/x
  3. Step 3: Cross multiply
    21,968,584,901,764x = 30,314,676,666,338 × 12,720,193,403,195
  4. Step 4: Simplify right side
    21,968,584,901,764x = 385,608,550,151,141,988,684,005,376
  5. Step 5: Solve for x
    x = 385,608,550,151,141,988,684,005,376/21,968,584,901,764
  6. Step 6: Final answer
    x = 17,552,725,943,680.56

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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.