Finding the Fourth Proportional to 4,994,801,430.88, 7,489,750,497.95 and 2,470,813,459.85
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Solution
The fourth proportional to 4,994,801,430.88, 7,489,750,497.95 and 2,470,813,459.85 is: 3,705,007,415.69
Step by Step Solution
- Step 1: Write the proportion equation
4,994,801,430.88 : 7,489,750,497.95 = 2,470,813,459.85 : x - Step 2: Convert to fraction form
4,994,801,430.88/7,489,750,497.95 = 2,470,813,459.85/x - Step 3: Cross multiply
4,994,801,430.88x = 7,489,750,497.95 × 2,470,813,459.85 - Step 4: Simplify right side
4,994,801,430.88x = 18,505,776,341,278,003,200 - Step 5: Solve for x
x = 18,505,776,341,278,003,200/4,994,801,430.88 - Step 6: Final answer
x = 3,705,007,415.69
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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.