Finding the Fourth Proportional to 3,066,413,674.80, 4,599,620,512.20 and 1,320,452,842.80
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Solution
The fourth proportional to 3,066,413,674.80, 4,599,620,512.20 and 1,320,452,842.80 is: 1,980,679,264.20
Step by Step Solution
- Step 1: Write the proportion equation
3,066,413,674.80 : 4,599,620,512.20 = 1,320,452,842.80 : x - Step 2: Convert to fraction form
3,066,413,674.80/4,599,620,512.20 = 1,320,452,842.80/x - Step 3: Cross multiply
3,066,413,674.80x = 4,599,620,512.20 × 1,320,452,842.80 - Step 4: Simplify right side
3,066,413,674.80x = 6,073,581,981,135,681,536 - Step 5: Solve for x
x = 6,073,581,981,135,681,536/3,066,413,674.80 - Step 6: Final answer
x = 1,980,679,264.20
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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.