Home / 28,799,844,661,980-39,743,824,990,492-15,630,836,182,990

Finding the Fourth Proportional to 28,799,844,661,980, 39,743,824,990,492 and 15,630,836,182,990

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Solution

The fourth proportional to 28,799,844,661,980, 39,743,824,990,492 and 15,630,836,182,990 is: 21,570,575,293,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799,844,661,980 : 39,743,824,990,492 = 15,630,836,182,990 : x
  2. Step 2: Convert to fraction form
    28,799,844,661,980/39,743,824,990,492 = 15,630,836,182,990/x
  3. Step 3: Cross multiply
    28,799,844,661,980x = 39,743,824,990,492 × 15,630,836,182,990
  4. Step 4: Simplify right side
    28,799,844,661,980x = 621,229,217,711,804,480,774,733,824
  5. Step 5: Solve for x
    x = 621,229,217,711,804,480,774,733,824/28,799,844,661,980
  6. Step 6: Final answer
    x = 21,570,575,293,134.05

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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.