Finding the Fourth Proportional to 1,701,840,839.67, 2,348,540,456.85 and 919,559,687.67
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Solution
The fourth proportional to 1,701,840,839.67, 2,348,540,456.85 and 919,559,687.67 is: 1,268,992,421.99
Step by Step Solution
- Step 1: Write the proportion equation
1,701,840,839.67 : 2,348,540,456.85 = 919,559,687.67 : x - Step 2: Convert to fraction form
1,701,840,839.67/2,348,540,456.85 = 919,559,687.67/x - Step 3: Cross multiply
1,701,840,839.67x = 2,348,540,456.85 × 919,559,687.67 - Step 4: Simplify right side
1,701,840,839.67x = 2,159,623,128,981,345,024 - Step 5: Solve for x
x = 2,159,623,128,981,345,024/1,701,840,839.67 - Step 6: Final answer
x = 1,268,992,421.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.