Finding the Fourth Proportional to 6,576,585,919.20, 9,864,878,878.80 and 1,669,259,725.20
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Solution
The fourth proportional to 6,576,585,919.20, 9,864,878,878.80 and 1,669,259,725.20 is: 2,503,889,587.80
Step by Step Solution
- Step 1: Write the proportion equation
6,576,585,919.20 : 9,864,878,878.80 = 1,669,259,725.20 : x - Step 2: Convert to fraction form
6,576,585,919.20/9,864,878,878.80 = 1,669,259,725.20/x - Step 3: Cross multiply
6,576,585,919.20x = 9,864,878,878.80 × 1,669,259,725.20 - Step 4: Simplify right side
6,576,585,919.20x = 16,467,045,006,356,971,520 - Step 5: Solve for x
x = 16,467,045,006,356,971,520/6,576,585,919.20 - Step 6: Final answer
x = 2,503,889,587.80
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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.