Finding the Fourth Proportional to 1,816,701,145.20, 2,726,327,176.20 and 782,304,382.80
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Solution
The fourth proportional to 1,816,701,145.20, 2,726,327,176.20 and 782,304,382.80 is: 1,174,005,809.66
Step by Step Solution
- Step 1: Write the proportion equation
1,816,701,145.20 : 2,726,327,176.20 = 782,304,382.80 : x - Step 2: Convert to fraction form
1,816,701,145.20/2,726,327,176.20 = 782,304,382.80/x - Step 3: Cross multiply
1,816,701,145.20x = 2,726,327,176.20 × 782,304,382.80 - Step 4: Simplify right side
1,816,701,145.20x = 2,132,817,698,888,007,680 - Step 5: Solve for x
x = 2,132,817,698,888,007,680/1,816,701,145.20 - Step 6: Final answer
x = 1,174,005,809.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.