Finding the Fourth Proportional to 3,190,275,577.36, 4,402,966,353.84 and 1,815,738,416.51
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Solution
The fourth proportional to 3,190,275,577.36, 4,402,966,353.84 and 1,815,738,416.51 is: 2,505,938,738.33
Step by Step Solution
- Step 1: Write the proportion equation
3,190,275,577.36 : 4,402,966,353.84 = 1,815,738,416.51 : x - Step 2: Convert to fraction form
3,190,275,577.36/4,402,966,353.84 = 1,815,738,416.51/x - Step 3: Cross multiply
3,190,275,577.36x = 4,402,966,353.84 × 1,815,738,416.51 - Step 4: Simplify right side
3,190,275,577.36x = 7,994,635,155,270,892,544 - Step 5: Solve for x
x = 7,994,635,155,270,892,544/3,190,275,577.36 - Step 6: Final answer
x = 2,505,938,738.33
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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.