Finding the Fourth Proportional to 655,553,578.05, 983,330,367.08 and 651,727,202.85
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Solution
The fourth proportional to 655,553,578.05, 983,330,367.08 and 651,727,202.85 is: 977,590,804.28
Step by Step Solution
- Step 1: Write the proportion equation
655,553,578.05 : 983,330,367.08 = 651,727,202.85 : x - Step 2: Convert to fraction form
655,553,578.05/983,330,367.08 = 651,727,202.85/x - Step 3: Cross multiply
655,553,578.05x = 983,330,367.08 × 651,727,202.85 - Step 4: Simplify right side
655,553,578.05x = 640,863,149,611,253,504 - Step 5: Solve for x
x = 640,863,149,611,253,504/655,553,578.05 - Step 6: Final answer
x = 977,590,804.28
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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.