Finding the Fourth Proportional to 3,372,319,747.31, 4,654,288,278.81 and 1,943,117,232.02
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Solution
The fourth proportional to 3,372,319,747.31, 4,654,288,278.81 and 1,943,117,232.02 is: 2,681,782,403.50
Step by Step Solution
- Step 1: Write the proportion equation
3,372,319,747.31 : 4,654,288,278.81 = 1,943,117,232.02 : x - Step 2: Convert to fraction form
3,372,319,747.31/4,654,288,278.81 = 1,943,117,232.02/x - Step 3: Cross multiply
3,372,319,747.31x = 4,654,288,278.81 × 1,943,117,232.02 - Step 4: Simplify right side
3,372,319,747.31x = 9,043,827,757,321,147,392 - Step 5: Solve for x
x = 9,043,827,757,321,147,392/3,372,319,747.31 - Step 6: Final answer
x = 2,681,782,403.50
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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.