Finding the Fourth Proportional to 661,472,901.13, 992,209,351.37 and 246,982,092.01
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Solution
The fourth proportional to 661,472,901.13, 992,209,351.37 and 246,982,092.01 is: 370,473,137.89
Step by Step Solution
- Step 1: Write the proportion equation
661,472,901.13 : 992,209,351.37 = 246,982,092.01 : x - Step 2: Convert to fraction form
661,472,901.13/992,209,351.37 = 246,982,092.01/x - Step 3: Cross multiply
661,472,901.13x = 992,209,351.37 × 246,982,092.01 - Step 4: Simplify right side
661,472,901.13x = 245,057,941,313,247,744 - Step 5: Solve for x
x = 245,057,941,313,247,744/661,472,901.13 - Step 6: Final answer
x = 370,473,137.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.