Finding the Fourth Proportional to 696,496,884.81, 1,045,205,010.74 and 369,202,239.68
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Solution
The fourth proportional to 696,496,884.81, 1,045,205,010.74 and 369,202,239.68 is: 554,047,030.65
Step by Step Solution
- Step 1: Write the proportion equation
696,496,884.81 : 1,045,205,010.74 = 369,202,239.68 : x - Step 2: Convert to fraction form
696,496,884.81/1,045,205,010.74 = 369,202,239.68/x - Step 3: Cross multiply
696,496,884.81x = 1,045,205,010.74 × 369,202,239.68 - Step 4: Simplify right side
696,496,884.81x = 385,892,030,884,629,696 - Step 5: Solve for x
x = 385,892,030,884,629,696/696,496,884.81 - Step 6: Final answer
x = 554,047,030.65
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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.