Finding the Fourth Proportional to 7,278,342,183.20, 10,917,513,274.80 and 6,069,018,663.20
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Solution
The fourth proportional to 7,278,342,183.20, 10,917,513,274.80 and 6,069,018,663.20 is: 9,103,527,994.80
Step by Step Solution
- Step 1: Write the proportion equation
7,278,342,183.20 : 10,917,513,274.80 = 6,069,018,663.20 : x - Step 2: Convert to fraction form
7,278,342,183.20/10,917,513,274.80 = 6,069,018,663.20/x - Step 3: Cross multiply
7,278,342,183.20x = 10,917,513,274.80 × 6,069,018,663.20 - Step 4: Simplify right side
7,278,342,183.20x = 66,258,591,820,494,946,304 - Step 5: Solve for x
x = 66,258,591,820,494,946,304/7,278,342,183.20 - Step 6: Final answer
x = 9,103,527,994.80
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Double scale
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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.