Finding the Fourth Proportional to 804,901,908.10, 1,207,352,862.15 and 804,901,908.10
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Solution
The fourth proportional to 804,901,908.10, 1,207,352,862.15 and 804,901,908.10 is: 1,207,352,862.15
Step by Step Solution
- Step 1: Write the proportion equation
804,901,908.10 : 1,207,352,862.15 = 804,901,908.10 : x - Step 2: Convert to fraction form
804,901,908.10/1,207,352,862.15 = 804,901,908.10/x - Step 3: Cross multiply
804,901,908.10x = 1,207,352,862.15 × 804,901,908.10 - Step 4: Simplify right side
804,901,908.10x = 971,800,622,494,531,328 - Step 5: Solve for x
x = 971,800,622,494,531,328/804,901,908.10 - Step 6: Final answer
x = 1,207,352,862.15
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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.