Finding the Fourth Proportional to 7,766,315,888.70, 10,717,511,303.79 and 4,198,022,843.80
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Solution
The fourth proportional to 7,766,315,888.70, 10,717,511,303.79 and 4,198,022,843.80 is: 5,793,269,025.72
Step by Step Solution
- Step 1: Write the proportion equation
7,766,315,888.70 : 10,717,511,303.79 = 4,198,022,843.80 : x - Step 2: Convert to fraction form
7,766,315,888.70/10,717,511,303.79 = 4,198,022,843.80/x - Step 3: Cross multiply
7,766,315,888.70x = 10,717,511,303.79 × 4,198,022,843.80 - Step 4: Simplify right side
7,766,315,888.70x = 44,992,357,281,968,349,184 - Step 5: Solve for x
x = 44,992,357,281,968,349,184/7,766,315,888.70 - Step 6: Final answer
x = 5,793,269,025.72
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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.