Finding the Fourth Proportional to 1,463,902,939.06, 2,020,221,157.35 and 794,876,179.84
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Solution
The fourth proportional to 1,463,902,939.06, 2,020,221,157.35 and 794,876,179.84 is: 1,096,948,187.71
Step by Step Solution
- Step 1: Write the proportion equation
1,463,902,939.06 : 2,020,221,157.35 = 794,876,179.84 : x - Step 2: Convert to fraction form
1,463,902,939.06/2,020,221,157.35 = 794,876,179.84/x - Step 3: Cross multiply
1,463,902,939.06x = 2,020,221,157.35 × 794,876,179.84 - Step 4: Simplify right side
1,463,902,939.06x = 1,605,825,675,986,311,424 - Step 5: Solve for x
x = 1,605,825,675,986,311,424/1,463,902,939.06 - Step 6: Final answer
x = 1,096,948,187.71
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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.