Home / 21,370,406,113,361-29,489,541,966,769-11,993,392,637,891

Finding the Fourth Proportional to 21,370,406,113,361, 29,489,541,966,769 and 11,993,392,637,891

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Solution

The fourth proportional to 21,370,406,113,361, 29,489,541,966,769 and 11,993,392,637,891 is: 16,549,973,530,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370,406,113,361 : 29,489,541,966,769 = 11,993,392,637,891 : x
  2. Step 2: Convert to fraction form
    21,370,406,113,361/29,489,541,966,769 = 11,993,392,637,891/x
  3. Step 3: Cross multiply
    21,370,406,113,361x = 29,489,541,966,769 × 11,993,392,637,891
  4. Step 4: Simplify right side
    21,370,406,113,361x = 353,679,655,519,024,988,880,371,712
  5. Step 5: Solve for x
    x = 353,679,655,519,024,988,880,371,712/21,370,406,113,361
  6. Step 6: Final answer
    x = 16,549,973,530,821.24

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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.