Finding the Fourth Proportional to 5,555,986,640.65, 8,332,645,552.57 and 2,565,176,153.23
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Solution
The fourth proportional to 5,555,986,640.65, 8,332,645,552.57 and 2,565,176,153.23 is: 3,847,148,138.98
Step by Step Solution
- Step 1: Write the proportion equation
5,555,986,640.65 : 8,332,645,552.57 = 2,565,176,153.23 : x - Step 2: Convert to fraction form
5,555,986,640.65/8,332,645,552.57 = 2,565,176,153.23/x - Step 3: Cross multiply
5,555,986,640.65x = 8,332,645,552.57 × 2,565,176,153.23 - Step 4: Simplify right side
5,555,986,640.65x = 21,374,703,664,770,580,480 - Step 5: Solve for x
x = 21,374,703,664,770,580,480/5,555,986,640.65 - Step 6: Final answer
x = 3,847,148,138.98
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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.