Finding the Fourth Proportional to 1,372,752,657,352.20, 1,894,398,976,364.80 and 755,455,375,401.94
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Solution
The fourth proportional to 1,372,752,657,352.20, 1,894,398,976,364.80 and 755,455,375,401.94 is: 1,042,528,588,224.43
Step by Step Solution
- Step 1: Write the proportion equation
1,372,752,657,352.20 : 1,894,398,976,364.80 = 755,455,375,401.94 : x - Step 2: Convert to fraction form
1,372,752,657,352.20/1,894,398,976,364.80 = 755,455,375,401.94/x - Step 3: Cross multiply
1,372,752,657,352.20x = 1,894,398,976,364.80 × 755,455,375,401.94 - Step 4: Simplify right side
1,372,752,657,352.20x = 1,431,133,889,850,720,871,514,112 - Step 5: Solve for x
x = 1,431,133,889,850,720,871,514,112/1,372,752,657,352.20 - Step 6: Final answer
x = 1,042,528,588,224.43
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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.