Home / 20,448,444,820,670-28,219,740,891,328-11,323,917,463,742

Finding the Fourth Proportional to 20,448,444,820,670, 28,219,740,891,328 and 11,323,917,463,742

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Solution

The fourth proportional to 20,448,444,820,670, 28,219,740,891,328 and 11,323,917,463,742 is: 15,627,497,323,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448,444,820,670 : 28,219,740,891,328 = 11,323,917,463,742 : x
  2. Step 2: Convert to fraction form
    20,448,444,820,670/28,219,740,891,328 = 11,323,917,463,742/x
  3. Step 3: Cross multiply
    20,448,444,820,670x = 28,219,740,891,328 × 11,323,917,463,742
  4. Step 4: Simplify right side
    20,448,444,820,670x = 319,558,016,701,583,383,100,129,280
  5. Step 5: Solve for x
    x = 319,558,016,701,583,383,100,129,280/20,448,444,820,670
  6. Step 6: Final answer
    x = 15,627,497,323,344.76

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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.