Finding the Fourth Proportional to 805,884,369.20, 1,208,826,553.80 and 741,387,114.80
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Solution
The fourth proportional to 805,884,369.20, 1,208,826,553.80 and 741,387,114.80 is: 1,112,080,672.20
Step by Step Solution
- Step 1: Write the proportion equation
805,884,369.20 : 1,208,826,553.80 = 741,387,114.80 : x - Step 2: Convert to fraction form
805,884,369.20/1,208,826,553.80 = 741,387,114.80/x - Step 3: Cross multiply
805,884,369.20x = 1,208,826,553.80 × 741,387,114.80 - Step 4: Simplify right side
805,884,369.20x = 896,208,431,015,408,896 - Step 5: Solve for x
x = 896,208,431,015,408,896/805,884,369.20 - Step 6: Final answer
x = 1,112,080,672.20
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Double scale
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Similar ratio
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1.5x scale
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.