Finding the Fourth Proportional to 1,597,486,028.40, 2,395,095,301.80 and 614,532,754.80
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Solution
The fourth proportional to 1,597,486,028.40, 2,395,095,301.80 and 614,532,754.80 is: 921,362,996.39
Step by Step Solution
- Step 1: Write the proportion equation
1,597,486,028.40 : 2,395,095,301.80 = 614,532,754.80 : x - Step 2: Convert to fraction form
1,597,486,028.40/2,395,095,301.80 = 614,532,754.80/x - Step 3: Cross multiply
1,597,486,028.40x = 2,395,095,301.80 × 614,532,754.80 - Step 4: Simplify right side
1,597,486,028.40x = 1,471,864,513,823,691,520 - Step 5: Solve for x
x = 1,471,864,513,823,691,520/1,597,486,028.40 - Step 6: Final answer
x = 921,362,996.39
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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.