Finding the Fourth Proportional to 434,532,589.98, 599,670,743.10 and 248,929,477.88
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Solution
The fourth proportional to 434,532,589.98, 599,670,743.10 and 248,929,477.88 is: 343,531,712.98
Step by Step Solution
- Step 1: Write the proportion equation
434,532,589.98 : 599,670,743.10 = 248,929,477.88 : x - Step 2: Convert to fraction form
434,532,589.98/599,670,743.10 = 248,929,477.88/x - Step 3: Cross multiply
434,532,589.98x = 599,670,743.10 × 248,929,477.88 - Step 4: Simplify right side
434,532,589.98x = 149,275,724,979,794,624 - Step 5: Solve for x
x = 149,275,724,979,794,624/434,532,589.98 - Step 6: Final answer
x = 343,531,712.98
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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.