Finding the Fourth Proportional to 7,750,728,052.20, 11,626,092,078.30 and 6,832,398,004.20
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Solution
The fourth proportional to 7,750,728,052.20, 11,626,092,078.30 and 6,832,398,004.20 is: 10,248,597,006.30
Step by Step Solution
- Step 1: Write the proportion equation
7,750,728,052.20 : 11,626,092,078.30 = 6,832,398,004.20 : x - Step 2: Convert to fraction form
7,750,728,052.20/11,626,092,078.30 = 6,832,398,004.20/x - Step 3: Cross multiply
7,750,728,052.20x = 11,626,092,078.30 × 6,832,398,004.20 - Step 4: Simplify right side
7,750,728,052.20x = 79,434,088,312,422,350,848 - Step 5: Solve for x
x = 79,434,088,312,422,350,848/7,750,728,052.20 - Step 6: Final answer
x = 10,248,597,006.30
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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.