Finding the Fourth Proportional to 1,444,489,752.11, 1,993,396,147.00 and 879,974,604.25
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Solution
The fourth proportional to 1,444,489,752.11, 1,993,396,147.00 and 879,974,604.25 is: 1,214,365,129.98
Step by Step Solution
- Step 1: Write the proportion equation
1,444,489,752.11 : 1,993,396,147.00 = 879,974,604.25 : x - Step 2: Convert to fraction form
1,444,489,752.11/1,993,396,147.00 = 879,974,604.25/x - Step 3: Cross multiply
1,444,489,752.11x = 1,993,396,147.00 × 879,974,604.25 - Step 4: Simplify right side
1,444,489,752.11x = 1,754,137,985,562,616,320 - Step 5: Solve for x
x = 1,754,137,985,562,616,320/1,444,489,752.11 - Step 6: Final answer
x = 1,214,365,129.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.