Finding the Fourth Proportional to 10,486,047,590.74, 14,474,194,217.40 and 8,346,578,722.84
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Solution
The fourth proportional to 10,486,047,590.74, 14,474,194,217.40 and 8,346,578,722.84 is: 11,521,023,573.45
Step by Step Solution
- Step 1: Write the proportion equation
10,486,047,590.74 : 14,474,194,217.40 = 8,346,578,722.84 : x - Step 2: Convert to fraction form
10,486,047,590.74/14,474,194,217.40 = 8,346,578,722.84/x - Step 3: Cross multiply
10,486,047,590.74x = 14,474,194,217.40 × 8,346,578,722.84 - Step 4: Simplify right side
10,486,047,590.74x = 120,810,001,485,204,602,880 - Step 5: Solve for x
x = 120,810,001,485,204,602,880/10,486,047,590.74 - Step 6: Final answer
x = 11,521,023,573.45
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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.