Finding the Fourth Proportional to 2,420,360,805.61, 3,340,009,730.26 and 1,348,608,760.08
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Solution
The fourth proportional to 2,420,360,805.61, 3,340,009,730.26 and 1,348,608,760.08 is: 1,861,030,954.78
Step by Step Solution
- Step 1: Write the proportion equation
2,420,360,805.61 : 3,340,009,730.26 = 1,348,608,760.08 : x - Step 2: Convert to fraction form
2,420,360,805.61/3,340,009,730.26 = 1,348,608,760.08/x - Step 3: Cross multiply
2,420,360,805.61x = 3,340,009,730.26 × 1,348,608,760.08 - Step 4: Simplify right side
2,420,360,805.61x = 4,504,366,380,981,073,920 - Step 5: Solve for x
x = 4,504,366,380,981,073,920/2,420,360,805.61 - Step 6: Final answer
x = 1,861,030,954.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.