Finding the Fourth Proportional to 18,397,879,660.80, 27,533,330,006.40 and 11,042,169,350.40
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Solution
The fourth proportional to 18,397,879,660.80, 27,533,330,006.40 and 11,042,169,350.40 is: 16,525,148,458.22
Step by Step Solution
- Step 1: Write the proportion equation
18,397,879,660.80 : 27,533,330,006.40 = 11,042,169,350.40 : x - Step 2: Convert to fraction form
18,397,879,660.80/27,533,330,006.40 = 11,042,169,350.40/x - Step 3: Cross multiply
18,397,879,660.80x = 27,533,330,006.40 × 11,042,169,350.40 - Step 4: Simplify right side
18,397,879,660.80x = 304,027,692,711,118,700,544 - Step 5: Solve for x
x = 304,027,692,711,118,700,544/18,397,879,660.80 - Step 6: Final answer
x = 16,525,148,458.22
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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.