Home / 20,227,319,456,468-27,908,916,620,906-11,447,980,332,148

Finding the Fourth Proportional to 20,227,319,456,468, 27,908,916,620,906 and 11,447,980,332,148

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Solution

The fourth proportional to 20,227,319,456,468, 27,908,916,620,906 and 11,447,980,332,148 is: 15,795,505,146,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,319,456,468 : 27,908,916,620,906 = 11,447,980,332,148 : x
  2. Step 2: Convert to fraction form
    20,227,319,456,468/27,908,916,620,906 = 11,447,980,332,148/x
  3. Step 3: Cross multiply
    20,227,319,456,468x = 27,908,916,620,906 × 11,447,980,332,148
  4. Step 4: Simplify right side
    20,227,319,456,468x = 319,500,728,567,690,332,651,651,072
  5. Step 5: Solve for x
    x = 319,500,728,567,690,332,651,651,072/20,227,319,456,468
  6. Step 6: Final answer
    x = 15,795,505,146,161.37

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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.