Home / 21,370,406,113,490-29,489,541,966,934-11,993,392,638,016

Finding the Fourth Proportional to 21,370,406,113,490, 29,489,541,966,934 and 11,993,392,638,016

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Solution

The fourth proportional to 21,370,406,113,490, 29,489,541,966,934 and 11,993,392,638,016 is: 16,549,973,530,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370,406,113,490 : 29,489,541,966,934 = 11,993,392,638,016 : x
  2. Step 2: Convert to fraction form
    21,370,406,113,490/29,489,541,966,934 = 11,993,392,638,016/x
  3. Step 3: Cross multiply
    21,370,406,113,490x = 29,489,541,966,934 × 11,993,392,638,016
  4. Step 4: Simplify right side
    21,370,406,113,490x = 353,679,655,524,690,085,103,534,080
  5. Step 5: Solve for x
    x = 353,679,655,524,690,085,103,534,080/21,370,406,113,490
  6. Step 6: Final answer
    x = 16,549,973,530,986.43

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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.