Finding the Fourth Proportional to 4,398,786,145.80, 6,598,179,218.70 and 1,637,843,862.60
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Solution
The fourth proportional to 4,398,786,145.80, 6,598,179,218.70 and 1,637,843,862.60 is: 2,456,765,793.90
Step by Step Solution
- Step 1: Write the proportion equation
4,398,786,145.80 : 6,598,179,218.70 = 1,637,843,862.60 : x - Step 2: Convert to fraction form
4,398,786,145.80/6,598,179,218.70 = 1,637,843,862.60/x - Step 3: Cross multiply
4,398,786,145.80x = 6,598,179,218.70 × 1,637,843,862.60 - Step 4: Simplify right side
4,398,786,145.80x = 10,806,787,337,682,657,280 - Step 5: Solve for x
x = 10,806,787,337,682,657,280/4,398,786,145.80 - Step 6: Final answer
x = 2,456,765,793.90
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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.