Finding the Fourth Proportional to 7,382,016,194.40, 11,073,024,291.60 and 6,894,703,605.60
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Solution
The fourth proportional to 7,382,016,194.40, 11,073,024,291.60 and 6,894,703,605.60 is: 10,342,055,408.40
Step by Step Solution
- Step 1: Write the proportion equation
7,382,016,194.40 : 11,073,024,291.60 = 6,894,703,605.60 : x - Step 2: Convert to fraction form
7,382,016,194.40/11,073,024,291.60 = 6,894,703,605.60/x - Step 3: Cross multiply
7,382,016,194.40x = 11,073,024,291.60 × 6,894,703,605.60 - Step 4: Simplify right side
7,382,016,194.40x = 76,345,220,508,190,916,608 - Step 5: Solve for x
x = 76,345,220,508,190,916,608/7,382,016,194.40 - Step 6: Final answer
x = 10,342,055,408.40
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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.