Finding the Fourth Proportional to 6,129,509,613.92, 8,458,723,217.36 and 3,310,117,290.58
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Solution
The fourth proportional to 6,129,509,613.92, 8,458,723,217.36 and 3,310,117,290.58 is: 4,567,961,834.08
Step by Step Solution
- Step 1: Write the proportion equation
6,129,509,613.92 : 8,458,723,217.36 = 3,310,117,290.58 : x - Step 2: Convert to fraction form
6,129,509,613.92/8,458,723,217.36 = 3,310,117,290.58/x - Step 3: Cross multiply
6,129,509,613.92x = 8,458,723,217.36 × 3,310,117,290.58 - Step 4: Simplify right side
6,129,509,613.92x = 27,999,365,978,013,822,976 - Step 5: Solve for x
x = 27,999,365,978,013,822,976/6,129,509,613.92 - Step 6: Final answer
x = 4,567,961,834.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.