Finding the Fourth Proportional to 9,658,468,823.20, 14,487,703,234.80 and 7,723,551,191.20
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Solution
The fourth proportional to 9,658,468,823.20, 14,487,703,234.80 and 7,723,551,191.20 is: 11,585,326,786.80
Step by Step Solution
- Step 1: Write the proportion equation
9,658,468,823.20 : 14,487,703,234.80 = 7,723,551,191.20 : x - Step 2: Convert to fraction form
9,658,468,823.20/14,487,703,234.80 = 7,723,551,191.20/x - Step 3: Cross multiply
9,658,468,823.20x = 14,487,703,234.80 × 7,723,551,191.20 - Step 4: Simplify right side
9,658,468,823.20x = 111,896,517,576,891,629,568 - Step 5: Solve for x
x = 111,896,517,576,891,629,568/9,658,468,823.20 - Step 6: Final answer
x = 11,585,326,786.80
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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.