Finding the Fourth Proportional to 3,968,549,668.70, 5,476,555,082.31 and 2,184,364,975.58
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Solution
The fourth proportional to 3,968,549,668.70, 5,476,555,082.31 and 2,184,364,975.58 is: 3,014,399,744.82
Step by Step Solution
- Step 1: Write the proportion equation
3,968,549,668.70 : 5,476,555,082.31 = 2,184,364,975.58 : x - Step 2: Convert to fraction form
3,968,549,668.70/5,476,555,082.31 = 2,184,364,975.58/x - Step 3: Cross multiply
3,968,549,668.70x = 5,476,555,082.31 × 2,184,364,975.58 - Step 4: Simplify right side
3,968,549,668.70x = 11,962,795,108,632,608,768 - Step 5: Solve for x
x = 11,962,795,108,632,608,768/3,968,549,668.70 - Step 6: Final answer
x = 3,014,399,744.82
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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.