Finding the Fourth Proportional to 2,366,921,929.60, 3,550,382,894.40 and 987,726,246.40
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Solution
The fourth proportional to 2,366,921,929.60, 3,550,382,894.40 and 987,726,246.40 is: 1,481,589,369.60
Step by Step Solution
- Step 1: Write the proportion equation
2,366,921,929.60 : 3,550,382,894.40 = 987,726,246.40 : x - Step 2: Convert to fraction form
2,366,921,929.60/3,550,382,894.40 = 987,726,246.40/x - Step 3: Cross multiply
2,366,921,929.60x = 3,550,382,894.40 × 987,726,246.40 - Step 4: Simplify right side
2,366,921,929.60x = 3,506,806,369,568,479,744 - Step 5: Solve for x
x = 3,506,806,369,568,479,744/2,366,921,929.60 - Step 6: Final answer
x = 1,481,589,369.60
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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.