Finding the Fourth Proportional to 3,614,976,073.80, 5,422,464,110.70 and 994,775,113.80
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Solution
The fourth proportional to 3,614,976,073.80, 5,422,464,110.70 and 994,775,113.80 is: 1,492,162,670.70
Step by Step Solution
- Step 1: Write the proportion equation
3,614,976,073.80 : 5,422,464,110.70 = 994,775,113.80 : x - Step 2: Convert to fraction form
3,614,976,073.80/5,422,464,110.70 = 994,775,113.80/x - Step 3: Cross multiply
3,614,976,073.80x = 5,422,464,110.70 × 994,775,113.80 - Step 4: Simplify right side
3,614,976,073.80x = 5,394,132,352,798,008,320 - Step 5: Solve for x
x = 5,394,132,352,798,008,320/3,614,976,073.80 - Step 6: Final answer
x = 1,492,162,670.70
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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.