Finding the Fourth Proportional to 513,269,618.72, 769,596,967.40 and 163,364,546.21
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Solution
The fourth proportional to 513,269,618.72, 769,596,967.40 and 163,364,546.21 is: 244,948,960.07
Step by Step Solution
- Step 1: Write the proportion equation
513,269,618.72 : 769,596,967.40 = 163,364,546.21 : x - Step 2: Convert to fraction form
513,269,618.72/769,596,967.40 = 163,364,546.21/x - Step 3: Cross multiply
513,269,618.72x = 769,596,967.40 × 163,364,546.21 - Step 4: Simplify right side
513,269,618.72x = 125,724,859,339,228,368 - Step 5: Solve for x
x = 125,724,859,339,228,368/513,269,618.72 - Step 6: Final answer
x = 244,948,960.07
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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.