Finding the Fourth Proportional to 5,439,566,851.11, 8,161,015,472.24 and 2,785,502,106.90
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Solution
The fourth proportional to 5,439,566,851.11, 8,161,015,472.24 and 2,785,502,106.90 is: 4,179,105,876.37
Step by Step Solution
- Step 1: Write the proportion equation
5,439,566,851.11 : 8,161,015,472.24 = 2,785,502,106.90 : x - Step 2: Convert to fraction form
5,439,566,851.11/8,161,015,472.24 = 2,785,502,106.90/x - Step 3: Cross multiply
5,439,566,851.11x = 8,161,015,472.24 × 2,785,502,106.90 - Step 4: Simplify right side
5,439,566,851.11x = 22,732,525,792,354,091,008 - Step 5: Solve for x
x = 22,732,525,792,354,091,008/5,439,566,851.11 - Step 6: Final answer
x = 4,179,105,876.37
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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.