Finding the Fourth Proportional to 1,813,859,477,828.70, 2,503,125,983,677.70 and 979,567,087,910.59
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Solution
The fourth proportional to 1,813,859,477,828.70, 2,503,125,983,677.70 and 979,567,087,910.59 is: 1,351,802,529,620.25
Step by Step Solution
- Step 1: Write the proportion equation
1,813,859,477,828.70 : 2,503,125,983,677.70 = 979,567,087,910.59 : x - Step 2: Convert to fraction form
1,813,859,477,828.70/2,503,125,983,677.70 = 979,567,087,910.59/x - Step 3: Cross multiply
1,813,859,477,828.70x = 2,503,125,983,677.70 × 979,567,087,910.59 - Step 4: Simplify right side
1,813,859,477,828.70x = 2,451,979,830,504,495,635,234,816 - Step 5: Solve for x
x = 2,451,979,830,504,495,635,234,816/1,813,859,477,828.70 - Step 6: Final answer
x = 1,351,802,529,620.25
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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.