Finding the Fourth Proportional to 7,873,220,187.60, 11,811,530,892.60 and 2,353,036,232.40
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Solution
The fourth proportional to 7,873,220,187.60, 11,811,530,892.60 and 2,353,036,232.40 is: 3,530,062,603.12
Step by Step Solution
- Step 1: Write the proportion equation
7,873,220,187.60 : 11,811,530,892.60 = 2,353,036,232.40 : x - Step 2: Convert to fraction form
7,873,220,187.60/11,811,530,892.60 = 2,353,036,232.40/x - Step 3: Cross multiply
7,873,220,187.60x = 11,811,530,892.60 × 2,353,036,232.40 - Step 4: Simplify right side
7,873,220,187.60x = 27,792,960,150,399,713,280 - Step 5: Solve for x
x = 27,792,960,150,399,713,280/7,873,220,187.60 - Step 6: Final answer
x = 3,530,062,603.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.