Finding the Fourth Proportional to 2,127,837,677.40, 3,186,381,744.90 and 1,396,868,794.20
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Solution
The fourth proportional to 2,127,837,677.40, 3,186,381,744.90 and 1,396,868,794.20 is: 2,091,774,797.08
Step by Step Solution
- Step 1: Write the proportion equation
2,127,837,677.40 : 3,186,381,744.90 = 1,396,868,794.20 : x - Step 2: Convert to fraction form
2,127,837,677.40/3,186,381,744.90 = 1,396,868,794.20/x - Step 3: Cross multiply
2,127,837,677.40x = 3,186,381,744.90 × 1,396,868,794.20 - Step 4: Simplify right side
2,127,837,677.40x = 4,450,957,225,859,355,136 - Step 5: Solve for x
x = 4,450,957,225,859,355,136/2,127,837,677.40 - Step 6: Final answer
x = 2,091,774,797.08
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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.