Finding the Fourth Proportional to 5,565,577,936.80, 8,348,366,905.20 and 5,293,480,144.80
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Solution
The fourth proportional to 5,565,577,936.80, 8,348,366,905.20 and 5,293,480,144.80 is: 7,940,220,217.20
Step by Step Solution
- Step 1: Write the proportion equation
5,565,577,936.80 : 8,348,366,905.20 = 5,293,480,144.80 : x - Step 2: Convert to fraction form
5,565,577,936.80/8,348,366,905.20 = 5,293,480,144.80/x - Step 3: Cross multiply
5,565,577,936.80x = 8,348,366,905.20 × 5,293,480,144.80 - Step 4: Simplify right side
5,565,577,936.80x = 44,191,914,454,181,625,856 - Step 5: Solve for x
x = 44,191,914,454,181,625,856/5,565,577,936.80 - Step 6: Final answer
x = 7,940,220,217.20
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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.