Finding the Fourth Proportional to 3,148,840,861.20, 4,723,278,947.64 and 1,050,311,509.92
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Solution
The fourth proportional to 3,148,840,861.20, 4,723,278,947.64 and 1,050,311,509.92 is: 1,575,473,154.07
Step by Step Solution
- Step 1: Write the proportion equation
3,148,840,861.20 : 4,723,278,947.64 = 1,050,311,509.92 : x - Step 2: Convert to fraction form
3,148,840,861.20/4,723,278,947.64 = 1,050,311,509.92/x - Step 3: Cross multiply
3,148,840,861.20x = 4,723,278,947.64 × 1,050,311,509.92 - Step 4: Simplify right side
3,148,840,861.20x = 4,960,914,243,269,116,928 - Step 5: Solve for x
x = 4,960,914,243,269,116,928/3,148,840,861.20 - Step 6: Final answer
x = 1,575,473,154.07
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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.