Finding the Fourth Proportional to 1,362,504,313.75, 1,880,256,709.86 and 735,972,746.94
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Solution
The fourth proportional to 1,362,504,313.75, 1,880,256,709.86 and 735,972,746.94 is: 1,015,642,799.62
Step by Step Solution
- Step 1: Write the proportion equation
1,362,504,313.75 : 1,880,256,709.86 = 735,972,746.94 : x - Step 2: Convert to fraction form
1,362,504,313.75/1,880,256,709.86 = 735,972,746.94/x - Step 3: Cross multiply
1,362,504,313.75x = 1,880,256,709.86 × 735,972,746.94 - Step 4: Simplify right side
1,362,504,313.75x = 1,383,817,695,708,030,720 - Step 5: Solve for x
x = 1,383,817,695,708,030,720/1,362,504,313.75 - Step 6: Final answer
x = 1,015,642,799.62
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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.