Finding the Fourth Proportional to 1,770,692,713.75, 2,442,673,362.66 and 1,055,724,026.44
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Solution
The fourth proportional to 1,770,692,713.75, 2,442,673,362.66 and 1,055,724,026.44 is: 1,456,372,942.45
Step by Step Solution
- Step 1: Write the proportion equation
1,770,692,713.75 : 2,442,673,362.66 = 1,055,724,026.44 : x - Step 2: Convert to fraction form
1,770,692,713.75/2,442,673,362.66 = 1,055,724,026.44/x - Step 3: Cross multiply
1,770,692,713.75x = 2,442,673,362.66 × 1,055,724,026.44 - Step 4: Simplify right side
1,770,692,713.75x = 2,578,788,957,705,149,440 - Step 5: Solve for x
x = 2,578,788,957,705,149,440/1,770,692,713.75 - Step 6: Final answer
x = 1,456,372,942.45
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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.