Finding the Fourth Proportional to 4,465,397,177.82, 6,698,280,616.74 and 1,317,611,729.65
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Solution
The fourth proportional to 4,465,397,177.82, 6,698,280,616.74 and 1,317,611,729.65 is: 1,976,472,138.45
Step by Step Solution
- Step 1: Write the proportion equation
4,465,397,177.82 : 6,698,280,616.74 = 1,317,611,729.65 : x - Step 2: Convert to fraction form
4,465,397,177.82/6,698,280,616.74 = 1,317,611,729.65/x - Step 3: Cross multiply
4,465,397,177.82x = 6,698,280,616.74 × 1,317,611,729.65 - Step 4: Simplify right side
4,465,397,177.82x = 8,825,733,109,087,114,240 - Step 5: Solve for x
x = 8,825,733,109,087,114,240/4,465,397,177.82 - Step 6: Final answer
x = 1,976,472,138.45
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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.