Finding the Fourth Proportional to 9,966,160,478.20, 14,949,240,717.30 and 9,811,192,282.60
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Solution
The fourth proportional to 9,966,160,478.20, 14,949,240,717.30 and 9,811,192,282.60 is: 14,716,788,423.90
Step by Step Solution
- Step 1: Write the proportion equation
9,966,160,478.20 : 14,949,240,717.30 = 9,811,192,282.60 : x - Step 2: Convert to fraction form
9,966,160,478.20/14,949,240,717.30 = 9,811,192,282.60/x - Step 3: Cross multiply
9,966,160,478.20x = 14,949,240,717.30 × 9,811,192,282.60 - Step 4: Simplify right side
9,966,160,478.20x = 146,669,875,156,303,446,016 - Step 5: Solve for x
x = 146,669,875,156,303,446,016/9,966,160,478.20 - Step 6: Final answer
x = 14,716,788,423.90
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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.