Finding the Fourth Proportional to 4,212,515,458.96, 5,810,472,212.76 and 2,709,042,636.88
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Solution
The fourth proportional to 4,212,515,458.96, 5,810,472,212.76 and 2,709,042,636.88 is: 3,736,678,741.75
Step by Step Solution
- Step 1: Write the proportion equation
4,212,515,458.96 : 5,810,472,212.76 = 2,709,042,636.88 : x - Step 2: Convert to fraction form
4,212,515,458.96/5,810,472,212.76 = 2,709,042,636.88/x - Step 3: Cross multiply
4,212,515,458.96x = 5,810,472,212.76 × 2,709,042,636.88 - Step 4: Simplify right side
4,212,515,458.96x = 15,740,816,964,773,320,704 - Step 5: Solve for x
x = 15,740,816,964,773,320,704/4,212,515,458.96 - Step 6: Final answer
x = 3,736,678,741.75
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1.5x scale
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.