Finding the Fourth Proportional to 2,774,117,075.62, 4,161,175,533 and 1,279,706,471.80
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Solution
The fourth proportional to 2,774,117,075.62, 4,161,175,533 and 1,279,706,471.80 is: 1,919,559,670.60
Step by Step Solution
- Step 1: Write the proportion equation
2,774,117,075.62 : 4,161,175,533 = 1,279,706,471.80 : x - Step 2: Convert to fraction form
2,774,117,075.62/4,161,175,533 = 1,279,706,471.80/x - Step 3: Cross multiply
2,774,117,075.62x = 4,161,175,533 × 1,279,706,471.80 - Step 4: Simplify right side
2,774,117,075.62x = 5,325,083,259,875,914,752 - Step 5: Solve for x
x = 5,325,083,259,875,914,752/2,774,117,075.62 - Step 6: Final answer
x = 1,919,559,670.60
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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.