Finding the Fourth Proportional to 4,942,106,965.57, 6,820,528,234.01 and 2,799,094,851.08
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Solution
The fourth proportional to 4,942,106,965.57, 6,820,528,234.01 and 2,799,094,851.08 is: 3,862,989,124.78
Step by Step Solution
- Step 1: Write the proportion equation
4,942,106,965.57 : 6,820,528,234.01 = 2,799,094,851.08 : x - Step 2: Convert to fraction form
4,942,106,965.57/6,820,528,234.01 = 2,799,094,851.08/x - Step 3: Cross multiply
4,942,106,965.57x = 6,820,528,234.01 × 2,799,094,851.08 - Step 4: Simplify right side
4,942,106,965.57x = 19,091,305,461,470,711,808 - Step 5: Solve for x
x = 19,091,305,461,470,711,808/4,942,106,965.57 - Step 6: Final answer
x = 3,862,989,124.78
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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.