Finding the Fourth Proportional to 1,159,045,175.20, 1,738,651,743.60 and 697,990,583.20
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Solution
The fourth proportional to 1,159,045,175.20, 1,738,651,743.60 and 697,990,583.20 is: 1,047,036,449.02
Step by Step Solution
- Step 1: Write the proportion equation
1,159,045,175.20 : 1,738,651,743.60 = 697,990,583.20 : x - Step 2: Convert to fraction form
1,159,045,175.20/1,738,651,743.60 = 697,990,583.20/x - Step 3: Cross multiply
1,159,045,175.20x = 1,738,651,743.60 × 697,990,583.20 - Step 4: Simplify right side
1,159,045,175.20x = 1,213,562,544,497,060,864 - Step 5: Solve for x
x = 1,213,562,544,497,060,864/1,159,045,175.20 - Step 6: Final answer
x = 1,047,036,449.02
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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.