Finding the Fourth Proportional to 1,479,328,903.23, 2,218,939,537.37 and 444,162,880.05
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Solution
The fourth proportional to 1,479,328,903.23, 2,218,939,537.37 and 444,162,880.05 is: 666,228,161.58
Step by Step Solution
- Step 1: Write the proportion equation
1,479,328,903.23 : 2,218,939,537.37 = 444,162,880.05 : x - Step 2: Convert to fraction form
1,479,328,903.23/2,218,939,537.37 = 444,162,880.05/x - Step 3: Cross multiply
1,479,328,903.23x = 2,218,939,537.37 × 444,162,880.05 - Step 4: Simplify right side
1,479,328,903.23x = 985,570,575,572,852,864 - Step 5: Solve for x
x = 985,570,575,572,852,864/1,479,328,903.23 - Step 6: Final answer
x = 666,228,161.58
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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.