Finding the Fourth Proportional to 2,133,328,806.07, 3,193,617,633.19 and 1,290,420,647.45
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Solution
The fourth proportional to 2,133,328,806.07, 3,193,617,633.19 and 1,290,420,647.45 is: 1,931,774,474.80
Step by Step Solution
- Step 1: Write the proportion equation
2,133,328,806.07 : 3,193,617,633.19 = 1,290,420,647.45 : x - Step 2: Convert to fraction form
2,133,328,806.07/3,193,617,633.19 = 1,290,420,647.45/x - Step 3: Cross multiply
2,133,328,806.07x = 3,193,617,633.19 × 1,290,420,647.45 - Step 4: Simplify right side
2,133,328,806.07x = 4,121,110,133,928,776,704 - Step 5: Solve for x
x = 4,121,110,133,928,776,704/2,133,328,806.07 - Step 6: Final answer
x = 1,931,774,474.80
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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.