Finding the Fourth Proportional to 236,197,186.20, 354,295,779.30 and 218,978,497.80
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Solution
The fourth proportional to 236,197,186.20, 354,295,779.30 and 218,978,497.80 is: 328,467,746.70
Step by Step Solution
- Step 1: Write the proportion equation
236,197,186.20 : 354,295,779.30 = 218,978,497.80 : x - Step 2: Convert to fraction form
236,197,186.20/354,295,779.30 = 218,978,497.80/x - Step 3: Cross multiply
236,197,186.20x = 354,295,779.30 × 218,978,497.80 - Step 4: Simplify right side
236,197,186.20x = 77,583,157,527,994,336 - Step 5: Solve for x
x = 77,583,157,527,994,336/236,197,186.20 - Step 6: Final answer
x = 328,467,746.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.