Finding the Fourth Proportional to 2,363,642,474.16, 3,545,535,940.56 and 810,912,015.12
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Solution
The fourth proportional to 2,363,642,474.16, 3,545,535,940.56 and 810,912,015.12 is: 1,216,392,802.92
Step by Step Solution
- Step 1: Write the proportion equation
2,363,642,474.16 : 3,545,535,940.56 = 810,912,015.12 : x - Step 2: Convert to fraction form
2,363,642,474.16/3,545,535,940.56 = 810,912,015.12/x - Step 3: Cross multiply
2,363,642,474.16x = 3,545,535,940.56 × 810,912,015.12 - Step 4: Simplify right side
2,363,642,474.16x = 2,875,117,694,239,894,016 - Step 5: Solve for x
x = 2,875,117,694,239,894,016/2,363,642,474.16 - Step 6: Final answer
x = 1,216,392,802.92
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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.