Finding the Fourth Proportional to 1,545,232,961.19, 2,318,882,665.56 and 660,125,168.19
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Solution
The fourth proportional to 1,545,232,961.19, 2,318,882,665.56 and 660,125,168.19 is: 990,629,146.58
Step by Step Solution
- Step 1: Write the proportion equation
1,545,232,961.19 : 2,318,882,665.56 = 660,125,168.19 : x - Step 2: Convert to fraction form
1,545,232,961.19/2,318,882,665.56 = 660,125,168.19/x - Step 3: Cross multiply
1,545,232,961.19x = 2,318,882,665.56 × 660,125,168.19 - Step 4: Simplify right side
1,545,232,961.19x = 1,530,752,809,615,670,528 - Step 5: Solve for x
x = 1,530,752,809,615,670,528/1,545,232,961.19 - Step 6: Final answer
x = 990,629,146.58
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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.