Home / 20,760,033,349,412-28,646,212,867,443-11,382,363,164,839

Finding the Fourth Proportional to 20,760,033,349,412, 28,646,212,867,443 and 11,382,363,164,839

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Solution

The fourth proportional to 20,760,033,349,412, 28,646,212,867,443 and 11,382,363,164,839 is: 15,706,217,454,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,033,349,412 : 28,646,212,867,443 = 11,382,363,164,839 : x
  2. Step 2: Convert to fraction form
    20,760,033,349,412/28,646,212,867,443 = 11,382,363,164,839/x
  3. Step 3: Cross multiply
    20,760,033,349,412x = 28,646,212,867,443 × 11,382,363,164,839
  4. Step 4: Simplify right side
    20,760,033,349,412x = 326,061,598,154,520,166,892,830,720
  5. Step 5: Solve for x
    x = 326,061,598,154,520,166,892,830,720/20,760,033,349,412
  6. Step 6: Final answer
    x = 15,706,217,454,788.21

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Double scale
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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.