Finding the Fourth Proportional to 2,117,380,926.56, 2,922,066,304.53 and 1,177,651,520.96
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Solution
The fourth proportional to 2,117,380,926.56, 2,922,066,304.53 and 1,177,651,520.96 is: 1,625,203,941.68
Step by Step Solution
- Step 1: Write the proportion equation
2,117,380,926.56 : 2,922,066,304.53 = 1,177,651,520.96 : x - Step 2: Convert to fraction form
2,117,380,926.56/2,922,066,304.53 = 1,177,651,520.96/x - Step 3: Cross multiply
2,117,380,926.56x = 2,922,066,304.53 × 1,177,651,520.96 - Step 4: Simplify right side
2,117,380,926.56x = 3,441,175,827,875,721,216 - Step 5: Solve for x
x = 3,441,175,827,875,721,216/2,117,380,926.56 - Step 6: Final answer
x = 1,625,203,941.68
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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.