Finding the Fourth Proportional to 1,311,481,174.14, 1,809,845,783.94 and 754,553,051.10
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Solution
The fourth proportional to 1,311,481,174.14, 1,809,845,783.94 and 754,553,051.10 is: 1,041,284,225.21
Step by Step Solution
- Step 1: Write the proportion equation
1,311,481,174.14 : 1,809,845,783.94 = 754,553,051.10 : x - Step 2: Convert to fraction form
1,311,481,174.14/1,809,845,783.94 = 754,553,051.10/x - Step 3: Cross multiply
1,311,481,174.14x = 1,809,845,783.94 × 754,553,051.10 - Step 4: Simplify right side
1,311,481,174.14x = 1,365,624,658,292,398,592 - Step 5: Solve for x
x = 1,365,624,658,292,398,592/1,311,481,174.14 - Step 6: Final answer
x = 1,041,284,225.21
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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.