Finding the Fourth Proportional to 577,375,207.80, 866,062,811.70 and 168,378,214.20
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Solution
The fourth proportional to 577,375,207.80, 866,062,811.70 and 168,378,214.20 is: 252,567,321.30
Step by Step Solution
- Step 1: Write the proportion equation
577,375,207.80 : 866,062,811.70 = 168,378,214.20 : x - Step 2: Convert to fraction form
577,375,207.80/866,062,811.70 = 168,378,214.20/x - Step 3: Cross multiply
577,375,207.80x = 866,062,811.70 × 168,378,214.20 - Step 4: Simplify right side
577,375,207.80x = 145,826,109,619,076,864 - Step 5: Solve for x
x = 145,826,109,619,076,864/577,375,207.80 - Step 6: Final answer
x = 252,567,321.30
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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.