Finding the Fourth Proportional to 7,274,235,867.20, 10,911,353,800.80 and 3,141,750,651.20
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Solution
The fourth proportional to 7,274,235,867.20, 10,911,353,800.80 and 3,141,750,651.20 is: 4,712,625,976.80
Step by Step Solution
- Step 1: Write the proportion equation
7,274,235,867.20 : 10,911,353,800.80 = 3,141,750,651.20 : x - Step 2: Convert to fraction form
7,274,235,867.20/10,911,353,800.80 = 3,141,750,651.20/x - Step 3: Cross multiply
7,274,235,867.20x = 10,911,353,800.80 × 3,141,750,651.20 - Step 4: Simplify right side
7,274,235,867.20x = 34,280,752,909,136,990,208 - Step 5: Solve for x
x = 34,280,752,909,136,990,208/7,274,235,867.20 - Step 6: Final answer
x = 4,712,625,976.80
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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.