Finding the Fourth Proportional to 1,594,324,379.70, 2,391,486,569.55 and 720,954,240.30
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Solution
The fourth proportional to 1,594,324,379.70, 2,391,486,569.55 and 720,954,240.30 is: 1,081,431,360.45
Step by Step Solution
- Step 1: Write the proportion equation
1,594,324,379.70 : 2,391,486,569.55 = 720,954,240.30 : x - Step 2: Convert to fraction form
1,594,324,379.70/2,391,486,569.55 = 720,954,240.30/x - Step 3: Cross multiply
1,594,324,379.70x = 2,391,486,569.55 × 720,954,240.30 - Step 4: Simplify right side
1,594,324,379.70x = 1,724,152,382,937,573,376 - Step 5: Solve for x
x = 1,724,152,382,937,573,376/1,594,324,379.70 - Step 6: Final answer
x = 1,081,431,360.45
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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.