Finding the Fourth Proportional to 457,367,048.34, 631,170,522.99 and 248,523,186.66
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Solution
The fourth proportional to 457,367,048.34, 631,170,522.99 and 248,523,186.66 is: 342,964,169.08
Step by Step Solution
- Step 1: Write the proportion equation
457,367,048.34 : 631,170,522.99 = 248,523,186.66 : x - Step 2: Convert to fraction form
457,367,048.34/631,170,522.99 = 248,523,186.66/x - Step 3: Cross multiply
457,367,048.34x = 631,170,522.99 × 248,523,186.66 - Step 4: Simplify right side
457,367,048.34x = 156,860,509,699,333,600 - Step 5: Solve for x
x = 156,860,509,699,333,600/457,367,048.34 - Step 6: Final answer
x = 342,964,169.08
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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.