Home / 20,760,033,349,402-28,646,212,867,432-11,382,363,164,830

Finding the Fourth Proportional to 20,760,033,349,402, 28,646,212,867,432 and 11,382,363,164,830

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Solution

The fourth proportional to 20,760,033,349,402, 28,646,212,867,432 and 11,382,363,164,830 is: 15,706,217,454,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,033,349,402 : 28,646,212,867,432 = 11,382,363,164,830 : x
  2. Step 2: Convert to fraction form
    20,760,033,349,402/28,646,212,867,432 = 11,382,363,164,830/x
  3. Step 3: Cross multiply
    20,760,033,349,402x = 28,646,212,867,432 × 11,382,363,164,830
  4. Step 4: Simplify right side
    20,760,033,349,402x = 326,061,598,154,137,193,248,980,992
  5. Step 5: Solve for x
    x = 326,061,598,154,137,193,248,980,992/20,760,033,349,402
  6. Step 6: Final answer
    x = 15,706,217,454,777.33

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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.