Finding the Fourth Proportional to 1,372,752,657,350.50, 1,894,398,976,362.10 and 755,455,375,400.05
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Solution
The fourth proportional to 1,372,752,657,350.50, 1,894,398,976,362.10 and 755,455,375,400.05 is: 1,042,528,588,221.63
Step by Step Solution
- Step 1: Write the proportion equation
1,372,752,657,350.50 : 1,894,398,976,362.10 = 755,455,375,400.05 : x - Step 2: Convert to fraction form
1,372,752,657,350.50/1,894,398,976,362.10 = 755,455,375,400.05/x - Step 3: Cross multiply
1,372,752,657,350.50x = 1,894,398,976,362.10 × 755,455,375,400.05 - Step 4: Simplify right side
1,372,752,657,350.50x = 1,431,133,889,845,100,906,807,296 - Step 5: Solve for x
x = 1,431,133,889,845,100,906,807,296/1,372,752,657,350.50 - Step 6: Final answer
x = 1,042,528,588,221.63
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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.