Finding the Fourth Proportional to 1,372,752,657,351.50, 1,894,398,976,363.50 and 755,455,375,401.05
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Solution
The fourth proportional to 1,372,752,657,351.50, 1,894,398,976,363.50 and 755,455,375,401.05 is: 1,042,528,588,223.02
Step by Step Solution
- Step 1: Write the proportion equation
1,372,752,657,351.50 : 1,894,398,976,363.50 = 755,455,375,401.05 : x - Step 2: Convert to fraction form
1,372,752,657,351.50/1,894,398,976,363.50 = 755,455,375,401.05/x - Step 3: Cross multiply
1,372,752,657,351.50x = 1,894,398,976,363.50 × 755,455,375,401.05 - Step 4: Simplify right side
1,372,752,657,351.50x = 1,431,133,889,848,052,891,516,928 - Step 5: Solve for x
x = 1,431,133,889,848,052,891,516,928/1,372,752,657,351.50 - Step 6: Final answer
x = 1,042,528,588,223.02
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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.