Finding the Fourth Proportional to 1,362,503,475.62, 1,880,255,552.07 and 735,971,906.98
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Solution
The fourth proportional to 1,362,503,475.62, 1,880,255,552.07 and 735,971,906.98 is: 1,015,641,639.84
Step by Step Solution
- Step 1: Write the proportion equation
1,362,503,475.62 : 1,880,255,552.07 = 735,971,906.98 : x - Step 2: Convert to fraction form
1,362,503,475.62/1,880,255,552.07 = 735,971,906.98/x - Step 3: Cross multiply
1,362,503,475.62x = 1,880,255,552.07 × 735,971,906.98 - Step 4: Simplify right side
1,362,503,475.62x = 1,383,815,264,266,690,560 - Step 5: Solve for x
x = 1,383,815,264,266,690,560/1,362,503,475.62 - Step 6: Final answer
x = 1,015,641,639.84
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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.