Finding the Fourth Proportional to 3,469,112,807,593.50, 4,787,490,485,763 and 1,906,634,445,475.70
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Solution
The fourth proportional to 3,469,112,807,593.50, 4,787,490,485,763 and 1,906,634,445,475.70 is: 2,631,218,635,370.63
Step by Step Solution
- Step 1: Write the proportion equation
3,469,112,807,593.50 : 4,787,490,485,763 = 1,906,634,445,475.70 : x - Step 2: Convert to fraction form
3,469,112,807,593.50/4,787,490,485,763 = 1,906,634,445,475.70/x - Step 3: Cross multiply
3,469,112,807,593.50x = 4,787,490,485,763 × 1,906,634,445,475.70 - Step 4: Simplify right side
3,469,112,807,593.50x = 9,127,994,267,542,927,223,816,192 - Step 5: Solve for x
x = 9,127,994,267,542,927,223,816,192/3,469,112,807,593.50 - Step 6: Final answer
x = 2,631,218,635,370.63
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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.