Finding the Fourth Proportional to 6,126,587,720.25, 8,454,605,112.20 and 3,413,969,855.66
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Solution
The fourth proportional to 6,126,587,720.25, 8,454,605,112.20 and 3,413,969,855.66 is: 4,711,230,510.78
Step by Step Solution
- Step 1: Write the proportion equation
6,126,587,720.25 : 8,454,605,112.20 = 3,413,969,855.66 : x - Step 2: Convert to fraction form
6,126,587,720.25/8,454,605,112.20 = 3,413,969,855.66/x - Step 3: Cross multiply
6,126,587,720.25x = 8,454,605,112.20 × 3,413,969,855.66 - Step 4: Simplify right side
6,126,587,720.25x = 28,863,766,994,578,268,160 - Step 5: Solve for x
x = 28,863,766,994,578,268,160/6,126,587,720.25 - Step 6: Final answer
x = 4,711,230,510.78
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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.