Finding the Fourth Proportional to 5,517,144,158.20, 8,279,747,315.70 and 3,884,557,406.20
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Solution
The fourth proportional to 5,517,144,158.20, 8,279,747,315.70 and 3,884,557,406.20 is: 5,829,674,344.99
Step by Step Solution
- Step 1: Write the proportion equation
5,517,144,158.20 : 8,279,747,315.70 = 3,884,557,406.20 : x - Step 2: Convert to fraction form
5,517,144,158.20/8,279,747,315.70 = 3,884,557,406.20/x - Step 3: Cross multiply
5,517,144,158.20x = 8,279,747,315.70 × 3,884,557,406.20 - Step 4: Simplify right side
5,517,144,158.20x = 32,163,153,756,667,002,880 - Step 5: Solve for x
x = 32,163,153,756,667,002,880/5,517,144,158.20 - Step 6: Final answer
x = 5,829,674,344.99
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1.5x scale
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.