Finding the Fourth Proportional to 3,511,047,969.52, 4,845,293,076.54 and 1,925,135,909.08
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Solution
The fourth proportional to 3,511,047,969.52, 4,845,293,076.54 and 1,925,135,909.08 is: 2,656,713,258.45
Step by Step Solution
- Step 1: Write the proportion equation
3,511,047,969.52 : 4,845,293,076.54 = 1,925,135,909.08 : x - Step 2: Convert to fraction form
3,511,047,969.52/4,845,293,076.54 = 1,925,135,909.08/x - Step 3: Cross multiply
3,511,047,969.52x = 4,845,293,076.54 × 1,925,135,909.08 - Step 4: Simplify right side
3,511,047,969.52x = 9,327,847,691,663,861,760 - Step 5: Solve for x
x = 9,327,847,691,663,861,760/3,511,047,969.52 - Step 6: Final answer
x = 2,656,713,258.45
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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.