Finding the Fourth Proportional to 513,269,634.56, 769,596,991.20 and 163,364,562.08
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Solution
The fourth proportional to 513,269,634.56, 769,596,991.20 and 163,364,562.08 is: 244,948,983.89
Step by Step Solution
- Step 1: Write the proportion equation
513,269,634.56 : 769,596,991.20 = 163,364,562.08 : x - Step 2: Convert to fraction form
513,269,634.56/769,596,991.20 = 163,364,562.08/x - Step 3: Cross multiply
513,269,634.56x = 769,596,991.20 × 163,364,562.08 - Step 4: Simplify right side
513,269,634.56x = 125,724,875,445,473,632 - Step 5: Solve for x
x = 125,724,875,445,473,632/513,269,634.56 - Step 6: Final answer
x = 244,948,983.89
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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.