Finding the Fourth Proportional to 248,432,405.70, 372,648,608.55 and 248,432,405.70
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Solution
The fourth proportional to 248,432,405.70, 372,648,608.55 and 248,432,405.70 is: 372,648,608.55
Step by Step Solution
- Step 1: Write the proportion equation
248,432,405.70 : 372,648,608.55 = 248,432,405.70 : x - Step 2: Convert to fraction form
248,432,405.70/372,648,608.55 = 248,432,405.70/x - Step 3: Cross multiply
248,432,405.70x = 372,648,608.55 × 248,432,405.70 - Step 4: Simplify right side
248,432,405.70x = 92,577,990,302,834,080 - Step 5: Solve for x
x = 92,577,990,302,834,080/248,432,405.70 - Step 6: Final answer
x = 372,648,608.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.