Finding the Fourth Proportional to 3,653,135,617.82, 5,041,327,153.04 and 1,982,384,759
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Solution
The fourth proportional to 3,653,135,617.82, 5,041,327,153.04 and 1,982,384,759 is: 2,735,690,967.66
Step by Step Solution
- Step 1: Write the proportion equation
3,653,135,617.82 : 5,041,327,153.04 = 1,982,384,759 : x - Step 2: Convert to fraction form
3,653,135,617.82/5,041,327,153.04 = 1,982,384,759/x - Step 3: Cross multiply
3,653,135,617.82x = 5,041,327,153.04 × 1,982,384,759 - Step 4: Simplify right side
3,653,135,617.82x = 9,993,850,113,319,356,416 - Step 5: Solve for x
x = 9,993,850,113,319,356,416/3,653,135,617.82 - Step 6: Final answer
x = 2,735,690,967.66
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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.