Finding the Fourth Proportional to 4,279,376,220.30, 6,419,064,330.45 and 2,442,716,124.30
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Solution
The fourth proportional to 4,279,376,220.30, 6,419,064,330.45 and 2,442,716,124.30 is: 3,664,074,186.45
Step by Step Solution
- Step 1: Write the proportion equation
4,279,376,220.30 : 6,419,064,330.45 = 2,442,716,124.30 : x - Step 2: Convert to fraction form
4,279,376,220.30/6,419,064,330.45 = 2,442,716,124.30/x - Step 3: Cross multiply
4,279,376,220.30x = 6,419,064,330.45 × 2,442,716,124.30 - Step 4: Simplify right side
4,279,376,220.30x = 15,679,951,942,909,198,336 - Step 5: Solve for x
x = 15,679,951,942,909,198,336/4,279,376,220.30 - Step 6: Final answer
x = 3,664,074,186.45
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Double scale
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Similar ratio
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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.