Finding the Fourth Proportional to 274,873,161,135.63, 379,319,018,489.37 and 159,134,801,045.05
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Solution
The fourth proportional to 274,873,161,135.63, 379,319,018,489.37 and 159,134,801,045.05 is: 219,602,584,299.33
Step by Step Solution
- Step 1: Write the proportion equation
274,873,161,135.63 : 379,319,018,489.37 = 159,134,801,045.05 : x - Step 2: Convert to fraction form
274,873,161,135.63/379,319,018,489.37 = 159,134,801,045.05/x - Step 3: Cross multiply
274,873,161,135.63x = 379,319,018,489.37 × 159,134,801,045.05 - Step 4: Simplify right side
274,873,161,135.63x = 60,362,856,539,909,531,893,760 - Step 5: Solve for x
x = 60,362,856,539,909,531,893,760/274,873,161,135.63 - Step 6: Final answer
x = 219,602,584,299.33
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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.