Home / 21,370,406,113,485-29,489,541,966,930-11,993,392,638,012

Finding the Fourth Proportional to 21,370,406,113,485, 29,489,541,966,930 and 11,993,392,638,012

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Solution

The fourth proportional to 21,370,406,113,485, 29,489,541,966,930 and 11,993,392,638,012 is: 16,549,973,530,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370,406,113,485 : 29,489,541,966,930 = 11,993,392,638,012 : x
  2. Step 2: Convert to fraction form
    21,370,406,113,485/29,489,541,966,930 = 11,993,392,638,012/x
  3. Step 3: Cross multiply
    21,370,406,113,485x = 29,489,541,966,930 × 11,993,392,638,012
  4. Step 4: Simplify right side
    21,370,406,113,485x = 353,679,655,524,524,196,286,693,376
  5. Step 5: Solve for x
    x = 353,679,655,524,524,196,286,693,376/21,370,406,113,485
  6. Step 6: Final answer
    x = 16,549,973,530,982.54

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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.