Finding the Fourth Proportional to 347,583,251.10, 521,668,809.45 and 143,257,964.70
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Solution
The fourth proportional to 347,583,251.10, 521,668,809.45 and 143,257,964.70 is: 215,008,092.75
Step by Step Solution
- Step 1: Write the proportion equation
347,583,251.10 : 521,668,809.45 = 143,257,964.70 : x - Step 2: Convert to fraction form
347,583,251.10/521,668,809.45 = 143,257,964.70/x - Step 3: Cross multiply
347,583,251.10x = 521,668,809.45 × 143,257,964.70 - Step 4: Simplify right side
347,583,251.10x = 74,733,211,889,279,120 - Step 5: Solve for x
x = 74,733,211,889,279,120/347,583,251.10 - Step 6: Final answer
x = 215,008,092.75
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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.