Finding the Fourth Proportional to 1,818,192,428.48, 2,509,106,294.44 and 982,816,996.34
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Solution
The fourth proportional to 1,818,192,428.48, 2,509,106,294.44 and 982,816,996.34 is: 1,356,287,856.65
Step by Step Solution
- Step 1: Write the proportion equation
1,818,192,428.48 : 2,509,106,294.44 = 982,816,996.34 : x - Step 2: Convert to fraction form
1,818,192,428.48/2,509,106,294.44 = 982,816,996.34/x - Step 3: Cross multiply
1,818,192,428.48x = 2,509,106,294.44 × 982,816,996.34 - Step 4: Simplify right side
1,818,192,428.48x = 2,465,992,311,799,308,800 - Step 5: Solve for x
x = 2,465,992,311,799,308,800/1,818,192,428.48 - Step 6: Final answer
x = 1,356,287,856.65
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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.