Finding the Fourth Proportional to 3,904,245,235.23, 5,387,838,911.88 and 2,120,082,800.31
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Solution
The fourth proportional to 3,904,245,235.23, 5,387,838,911.88 and 2,120,082,800.31 is: 2,925,703,668.62
Step by Step Solution
- Step 1: Write the proportion equation
3,904,245,235.23 : 5,387,838,911.88 = 2,120,082,800.31 : x - Step 2: Convert to fraction form
3,904,245,235.23/5,387,838,911.88 = 2,120,082,800.31/x - Step 3: Cross multiply
3,904,245,235.23x = 5,387,838,911.88 × 2,120,082,800.31 - Step 4: Simplify right side
3,904,245,235.23x = 11,422,664,607,917,733,888 - Step 5: Solve for x
x = 11,422,664,607,917,733,888/3,904,245,235.23 - Step 6: Final answer
x = 2,925,703,668.62
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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.