Finding the Fourth Proportional to 1,686,177,145.80, 2,529,265,718.70 and 1,657,479,331.80
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Solution
The fourth proportional to 1,686,177,145.80, 2,529,265,718.70 and 1,657,479,331.80 is: 2,486,218,997.70
Step by Step Solution
- Step 1: Write the proportion equation
1,686,177,145.80 : 2,529,265,718.70 = 1,657,479,331.80 : x - Step 2: Convert to fraction form
1,686,177,145.80/2,529,265,718.70 = 1,657,479,331.80/x - Step 3: Cross multiply
1,686,177,145.80x = 2,529,265,718.70 × 1,657,479,331.80 - Step 4: Simplify right side
1,686,177,145.80x = 4,192,205,653,375,522,304 - Step 5: Solve for x
x = 4,192,205,653,375,522,304/1,686,177,145.80 - Step 6: Final answer
x = 2,486,218,997.70
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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.