Finding the Fourth Proportional to 1,344,432,069.40, 2,016,648,104.10 and 931,183,547.80
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Solution
The fourth proportional to 1,344,432,069.40, 2,016,648,104.10 and 931,183,547.80 is: 1,396,775,321.70
Step by Step Solution
- Step 1: Write the proportion equation
1,344,432,069.40 : 2,016,648,104.10 = 931,183,547.80 : x - Step 2: Convert to fraction form
1,344,432,069.40/2,016,648,104.10 = 931,183,547.80/x - Step 3: Cross multiply
1,344,432,069.40x = 2,016,648,104.10 × 931,183,547.80 - Step 4: Simplify right side
1,344,432,069.40x = 1,877,869,536,239,981,568 - Step 5: Solve for x
x = 1,877,869,536,239,981,568/1,344,432,069.40 - Step 6: Final answer
x = 1,396,775,321.70
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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.