Finding the Fourth Proportional to 263,590,848,284.80, 395,386,272,427.20 and 86,917,751,939.20
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Solution
The fourth proportional to 263,590,848,284.80, 395,386,272,427.20 and 86,917,751,939.20 is: 130,376,627,908.80
Step by Step Solution
- Step 1: Write the proportion equation
263,590,848,284.80 : 395,386,272,427.20 = 86,917,751,939.20 : x - Step 2: Convert to fraction form
263,590,848,284.80/395,386,272,427.20 = 86,917,751,939.20/x - Step 3: Cross multiply
263,590,848,284.80x = 395,386,272,427.20 × 86,917,751,939.20 - Step 4: Simplify right side
263,590,848,284.80x = 34,366,085,946,992,320,577,536 - Step 5: Solve for x
x = 34,366,085,946,992,320,577,536/263,590,848,284.80 - Step 6: Final answer
x = 130,376,627,908.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.