Finding the Fourth Proportional to 1,737,759,873.20, 2,606,639,809.80 and 1,186,761,844.40
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Solution
The fourth proportional to 1,737,759,873.20, 2,606,639,809.80 and 1,186,761,844.40 is: 1,780,142,766.60
Step by Step Solution
- Step 1: Write the proportion equation
1,737,759,873.20 : 2,606,639,809.80 = 1,186,761,844.40 : x - Step 2: Convert to fraction form
1,737,759,873.20/2,606,639,809.80 = 1,186,761,844.40/x - Step 3: Cross multiply
1,737,759,873.20x = 2,606,639,809.80 × 1,186,761,844.40 - Step 4: Simplify right side
1,737,759,873.20x = 3,093,460,668,364,713,472 - Step 5: Solve for x
x = 3,093,460,668,364,713,472/1,737,759,873.20 - Step 6: Final answer
x = 1,780,142,766.60
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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.