Home / 21,370,406,113,472-29,489,541,966,915-11,993,392,637,999

Finding the Fourth Proportional to 21,370,406,113,472, 29,489,541,966,915 and 11,993,392,637,999

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Solution

The fourth proportional to 21,370,406,113,472, 29,489,541,966,915 and 11,993,392,637,999 is: 16,549,973,530,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370,406,113,472 : 29,489,541,966,915 = 11,993,392,637,999 : x
  2. Step 2: Convert to fraction form
    21,370,406,113,472/29,489,541,966,915 = 11,993,392,637,999/x
  3. Step 3: Cross multiply
    21,370,406,113,472x = 29,489,541,966,915 × 11,993,392,637,999
  4. Step 4: Simplify right side
    21,370,406,113,472x = 353,679,655,523,960,902,735,888,384
  5. Step 5: Solve for x
    x = 353,679,655,523,960,902,735,888,384/21,370,406,113,472
  6. Step 6: Final answer
    x = 16,549,973,530,966.25

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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.