Finding the Fourth Proportional to 1,737,981,663.40, 2,606,972,495.10 and 511,274,117.80
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Solution
The fourth proportional to 1,737,981,663.40, 2,606,972,495.10 and 511,274,117.80 is: 766,911,176.70
Step by Step Solution
- Step 1: Write the proportion equation
1,737,981,663.40 : 2,606,972,495.10 = 511,274,117.80 : x - Step 2: Convert to fraction form
1,737,981,663.40/2,606,972,495.10 = 511,274,117.80/x - Step 3: Cross multiply
1,737,981,663.40x = 2,606,972,495.10 × 511,274,117.80 - Step 4: Simplify right side
1,737,981,663.40x = 1,332,877,562,561,117,184 - Step 5: Solve for x
x = 1,332,877,562,561,117,184/1,737,981,663.40 - Step 6: Final answer
x = 766,911,176.70
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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.