Finding the Fourth Proportional to 3,397,482,730.09, 4,689,096,703.81 and 1,969,447,117.65
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Solution
The fourth proportional to 3,397,482,730.09, 4,689,096,703.81 and 1,969,447,117.65 is: 2,718,167,749.88
Step by Step Solution
- Step 1: Write the proportion equation
3,397,482,730.09 : 4,689,096,703.81 = 1,969,447,117.65 : x - Step 2: Convert to fraction form
3,397,482,730.09/4,689,096,703.81 = 1,969,447,117.65/x - Step 3: Cross multiply
3,397,482,730.09x = 4,689,096,703.81 × 1,969,447,117.65 - Step 4: Simplify right side
3,397,482,730.09x = 9,234,927,987,689,672,704 - Step 5: Solve for x
x = 9,234,927,987,689,672,704/3,397,482,730.09 - Step 6: Final answer
x = 2,718,167,749.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.