Finding the Fourth Proportional to 2,998,560,544.40, 4,498,259,323.80 and 1,251,362,781.20
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Solution
The fourth proportional to 2,998,560,544.40, 4,498,259,323.80 and 1,251,362,781.20 is: 1,877,218,823.71
Step by Step Solution
- Step 1: Write the proportion equation
2,998,560,544.40 : 4,498,259,323.80 = 1,251,362,781.20 : x - Step 2: Convert to fraction form
2,998,560,544.40/4,498,259,323.80 = 1,251,362,781.20/x - Step 3: Cross multiply
2,998,560,544.40x = 4,498,259,323.80 × 1,251,362,781.20 - Step 4: Simplify right side
2,998,560,544.40x = 5,628,954,297,989,199,872 - Step 5: Solve for x
x = 5,628,954,297,989,199,872/2,998,560,544.40 - Step 6: Final answer
x = 1,877,218,823.71
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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.