Finding the Fourth Proportional to 1,177,739,403.68, 1,625,344,292.42 and 675,944,175.52
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Solution
The fourth proportional to 1,177,739,403.68, 1,625,344,292.42 and 675,944,175.52 is: 932,839,645.38
Step by Step Solution
- Step 1: Write the proportion equation
1,177,739,403.68 : 1,625,344,292.42 = 675,944,175.52 : x - Step 2: Convert to fraction form
1,177,739,403.68/1,625,344,292.42 = 675,944,175.52/x - Step 3: Cross multiply
1,177,739,403.68x = 1,625,344,292.42 × 675,944,175.52 - Step 4: Simplify right side
1,177,739,403.68x = 1,098,642,007,675,974,656 - Step 5: Solve for x
x = 1,098,642,007,675,974,656/1,177,739,403.68 - Step 6: Final answer
x = 932,839,645.38
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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.