Home / 20,646,566,694,820-28,492,117,095,402-11,271,364,224,815

Finding the Fourth Proportional to 20,646,566,694,820, 28,492,117,095,402 and 11,271,364,224,815

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Solution

The fourth proportional to 20,646,566,694,820, 28,492,117,095,402 and 11,271,364,224,815 is: 15,554,403,502,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,566,694,820 : 28,492,117,095,402 = 11,271,364,224,815 : x
  2. Step 2: Convert to fraction form
    20,646,566,694,820/28,492,117,095,402 = 11,271,364,224,815/x
  3. Step 3: Cross multiply
    20,646,566,694,820x = 28,492,117,095,402 × 11,271,364,224,815
  4. Step 4: Simplify right side
    20,646,566,694,820x = 321,145,029,318,353,954,185,150,464
  5. Step 5: Solve for x
    x = 321,145,029,318,353,954,185,150,464/20,646,566,694,820
  6. Step 6: Final answer
    x = 15,554,403,502,783.14

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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.