Finding the Fourth Proportional to 1,177,739,393.54, 1,625,344,278.41 and 675,944,165.39
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Solution
The fourth proportional to 1,177,739,393.54, 1,625,344,278.41 and 675,944,165.39 is: 932,839,631.39
Step by Step Solution
- Step 1: Write the proportion equation
1,177,739,393.54 : 1,625,344,278.41 = 675,944,165.39 : x - Step 2: Convert to fraction form
1,177,739,393.54/1,625,344,278.41 = 675,944,165.39/x - Step 3: Cross multiply
1,177,739,393.54x = 1,625,344,278.41 × 675,944,165.39 - Step 4: Simplify right side
1,177,739,393.54x = 1,098,641,981,734,822,272 - Step 5: Solve for x
x = 1,098,641,981,734,822,272/1,177,739,393.54 - Step 6: Final answer
x = 932,839,631.39
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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.