Finding the Fourth Proportional to 6,556,021,205.76, 9,041,591,542.92 and 4,647,006,751.68
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Solution
The fourth proportional to 6,556,021,205.76, 9,041,591,542.92 and 4,647,006,751.68 is: 6,408,816,510.38
Step by Step Solution
- Step 1: Write the proportion equation
6,556,021,205.76 : 9,041,591,542.92 = 4,647,006,751.68 : x - Step 2: Convert to fraction form
6,556,021,205.76/9,041,591,542.92 = 4,647,006,751.68/x - Step 3: Cross multiply
6,556,021,205.76x = 9,041,591,542.92 × 4,647,006,751.68 - Step 4: Simplify right side
6,556,021,205.76x = 42,016,336,945,882,030,080 - Step 5: Solve for x
x = 42,016,336,945,882,030,080/6,556,021,205.76 - Step 6: Final answer
x = 6,408,816,510.38
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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.