Finding the Fourth Proportional to 480,901,685.19, 721,818,989.99 and 232,082,047.47
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Solution
The fourth proportional to 480,901,685.19, 721,818,989.99 and 232,082,047.47 is: 348,348,184.79
Step by Step Solution
- Step 1: Write the proportion equation
480,901,685.19 : 721,818,989.99 = 232,082,047.47 : x - Step 2: Convert to fraction form
480,901,685.19/721,818,989.99 = 232,082,047.47/x - Step 3: Cross multiply
480,901,685.19x = 721,818,989.99 × 232,082,047.47 - Step 4: Simplify right side
480,901,685.19x = 167,521,229,100,186,816 - Step 5: Solve for x
x = 167,521,229,100,186,816/480,901,685.19 - Step 6: Final answer
x = 348,348,184.79
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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.