Finding the Fourth Proportional to 20,848,680,983,514, 28,771,184,453,504 and 11,473,478,513,891
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Solution
The fourth proportional to 20,848,680,983,514, 28,771,184,453,504 and 11,473,478,513,891 is: 15,833,402,933,619.75
Step by Step Solution
- Step 1: Write the proportion equation
20,848,680,983,514 : 28,771,184,453,504 = 11,473,478,513,891 : x - Step 2: Convert to fraction form
20,848,680,983,514/28,771,184,453,504 = 11,473,478,513,891/x - Step 3: Cross multiply
20,848,680,983,514x = 28,771,184,453,504 × 11,473,478,513,891 - Step 4: Simplify right side
20,848,680,983,514x = 330,105,566,646,472,919,962,615,808 - Step 5: Solve for x
x = 330,105,566,646,472,919,962,615,808/20,848,680,983,514 - Step 6: Final answer
x = 15,833,402,933,619.75
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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.