Finding the Fourth Proportional to 487,924,942,085.12, 673,352,769,842.88 and 271,160,272,095.68
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Solution
The fourth proportional to 487,924,942,085.12, 673,352,769,842.88 and 271,160,272,095.68 is: 374,210,261,739.65
Step by Step Solution
- Step 1: Write the proportion equation
487,924,942,085.12 : 673,352,769,842.88 = 271,160,272,095.68 : x - Step 2: Convert to fraction form
487,924,942,085.12/673,352,769,842.88 = 271,160,272,095.68/x - Step 3: Cross multiply
487,924,942,085.12x = 673,352,769,842.88 × 271,160,272,095.68 - Step 4: Simplify right side
487,924,942,085.12x = 182,586,520,286,975,120,900,096 - Step 5: Solve for x
x = 182,586,520,286,975,120,900,096/487,924,942,085.12 - Step 6: Final answer
x = 374,210,261,739.65
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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.