Finding the Fourth Proportional to 9,234,283,994.56, 12,743,330,690.20 and 5,005,198,747.99
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Solution
The fourth proportional to 9,234,283,994.56, 12,743,330,690.20 and 5,005,198,747.99 is: 6,907,184,450.18
Step by Step Solution
- Step 1: Write the proportion equation
9,234,283,994.56 : 12,743,330,690.20 = 5,005,198,747.99 : x - Step 2: Convert to fraction form
9,234,283,994.56/12,743,330,690.20 = 5,005,198,747.99/x - Step 3: Cross multiply
9,234,283,994.56x = 12,743,330,690.20 × 5,005,198,747.99 - Step 4: Simplify right side
9,234,283,994.56x = 63,782,902,815,753,052,160 - Step 5: Solve for x
x = 63,782,902,815,753,052,160/9,234,283,994.56 - Step 6: Final answer
x = 6,907,184,450.18
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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.