Home / 20,646,566,694,816-28,492,117,095,392-11,271,364,224,809

Finding the Fourth Proportional to 20,646,566,694,816, 28,492,117,095,392 and 11,271,364,224,809

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Solution

The fourth proportional to 20,646,566,694,816, 28,492,117,095,392 and 11,271,364,224,809 is: 15,554,403,502,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,566,694,816 : 28,492,117,095,392 = 11,271,364,224,809 : x
  2. Step 2: Convert to fraction form
    20,646,566,694,816/28,492,117,095,392 = 11,271,364,224,809/x
  3. Step 3: Cross multiply
    20,646,566,694,816x = 28,492,117,095,392 × 11,271,364,224,809
  4. Step 4: Simplify right side
    20,646,566,694,816x = 321,145,029,318,070,280,185,184,256
  5. Step 5: Solve for x
    x = 321,145,029,318,070,280,185,184,256/20,646,566,694,816
  6. Step 6: Final answer
    x = 15,554,403,502,772.42

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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.