Finding the Fourth Proportional to 2,183,739,781.80, 3,275,609,672.70 and 1,796,000,428.20
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Solution
The fourth proportional to 2,183,739,781.80, 3,275,609,672.70 and 1,796,000,428.20 is: 2,694,000,642.30
Step by Step Solution
- Step 1: Write the proportion equation
2,183,739,781.80 : 3,275,609,672.70 = 1,796,000,428.20 : x - Step 2: Convert to fraction form
2,183,739,781.80/3,275,609,672.70 = 1,796,000,428.20/x - Step 3: Cross multiply
2,183,739,781.80x = 3,275,609,672.70 × 1,796,000,428.20 - Step 4: Simplify right side
2,183,739,781.80x = 5,882,996,374,785,261,568 - Step 5: Solve for x
x = 5,882,996,374,785,261,568/2,183,739,781.80 - Step 6: Final answer
x = 2,694,000,642.30
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1.5x scale
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.