Home / 21,840,243,359,399-30,128,109,132,253-13,504,065,309,997

Finding the Fourth Proportional to 21,840,243,359,399, 30,128,109,132,253 and 13,504,065,309,997

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Solution

The fourth proportional to 21,840,243,359,399, 30,128,109,132,253 and 13,504,065,309,997 is: 18,628,544,869,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,243,359,399 : 30,128,109,132,253 = 13,504,065,309,997 : x
  2. Step 2: Convert to fraction form
    21,840,243,359,399/30,128,109,132,253 = 13,504,065,309,997/x
  3. Step 3: Cross multiply
    21,840,243,359,399x = 30,128,109,132,253 × 13,504,065,309,997
  4. Step 4: Simplify right side
    21,840,243,359,399x = 406,851,953,388,661,578,441,687,040
  5. Step 5: Solve for x
    x = 406,851,953,388,661,578,441,687,040/21,840,243,359,399
  6. Step 6: Final answer
    x = 18,628,544,869,834.15

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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.