Finding the Fourth Proportional to 20,951,132,869,718, 28,912,255,662,248 and 11,702,252,145,164
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Solution
The fourth proportional to 20,951,132,869,718, 28,912,255,662,248 and 11,702,252,145,164 is: 16,148,936,095,674.98
Step by Step Solution
- Step 1: Write the proportion equation
20,951,132,869,718 : 28,912,255,662,248 = 11,702,252,145,164 : x - Step 2: Convert to fraction form
20,951,132,869,718/28,912,255,662,248 = 11,702,252,145,164/x - Step 3: Cross multiply
20,951,132,869,718x = 28,912,255,662,248 × 11,702,252,145,164 - Step 4: Simplify right side
20,951,132,869,718x = 338,338,505,845,071,633,197,301,760 - Step 5: Solve for x
x = 338,338,505,845,071,633,197,301,760/20,951,132,869,718 - Step 6: Final answer
x = 16,148,936,095,674.98
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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.