Finding the Fourth Proportional to 1,408,222,222.40, 2,112,331,553.76 and 534,821,963.84
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Solution
The fourth proportional to 1,408,222,222.40, 2,112,331,553.76 and 534,821,963.84 is: 802,232,269.80
Step by Step Solution
- Step 1: Write the proportion equation
1,408,222,222.40 : 2,112,331,553.76 = 534,821,963.84 : x - Step 2: Convert to fraction form
1,408,222,222.40/2,112,331,553.76 = 534,821,963.84/x - Step 3: Cross multiply
1,408,222,222.40x = 2,112,331,553.76 × 534,821,963.84 - Step 4: Simplify right side
1,408,222,222.40x = 1,129,721,309,863,121,664 - Step 5: Solve for x
x = 1,129,721,309,863,121,664/1,408,222,222.40 - Step 6: Final answer
x = 802,232,269.80
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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.