Finding the Fourth Proportional to 1,486,177,342.40, 2,229,266,013.60 and 451,036,562.60
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Solution
The fourth proportional to 1,486,177,342.40, 2,229,266,013.60 and 451,036,562.60 is: 676,554,843.90
Step by Step Solution
- Step 1: Write the proportion equation
1,486,177,342.40 : 2,229,266,013.60 = 451,036,562.60 : x - Step 2: Convert to fraction form
1,486,177,342.40/2,229,266,013.60 = 451,036,562.60/x - Step 3: Cross multiply
1,486,177,342.40x = 2,229,266,013.60 × 451,036,562.60 - Step 4: Simplify right side
1,486,177,342.40x = 1,005,480,479,895,148,800 - Step 5: Solve for x
x = 1,005,480,479,895,148,800/1,486,177,342.40 - Step 6: Final answer
x = 676,554,843.90
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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.