Finding the Fourth Proportional to 2,117,381,390.68, 2,922,066,936.84 and 1,177,651,985.08
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Solution
The fourth proportional to 2,117,381,390.68, 2,922,066,936.84 and 1,177,651,985.08 is: 1,625,204,577.62
Step by Step Solution
- Step 1: Write the proportion equation
2,117,381,390.68 : 2,922,066,936.84 = 1,177,651,985.08 : x - Step 2: Convert to fraction form
2,117,381,390.68/2,922,066,936.84 = 1,177,651,985.08/x - Step 3: Cross multiply
2,117,381,390.68x = 2,922,066,936.84 × 1,177,651,985.08 - Step 4: Simplify right side
2,117,381,390.68x = 3,441,177,928,706,260,992 - Step 5: Solve for x
x = 3,441,177,928,706,260,992/2,117,381,390.68 - Step 6: Final answer
x = 1,625,204,577.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.