Finding the Fourth Proportional to 4,813,566,625.68, 6,640,277,219.55 and 3,143,793,175.44
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Solution
The fourth proportional to 4,813,566,625.68, 6,640,277,219.55 and 3,143,793,175.44 is: 4,336,837,906.11
Step by Step Solution
- Step 1: Write the proportion equation
4,813,566,625.68 : 6,640,277,219.55 = 3,143,793,175.44 : x - Step 2: Convert to fraction form
4,813,566,625.68/6,640,277,219.55 = 3,143,793,175.44/x - Step 3: Cross multiply
4,813,566,625.68x = 6,640,277,219.55 × 3,143,793,175.44 - Step 4: Simplify right side
4,813,566,625.68x = 20,875,658,205,850,988,544 - Step 5: Solve for x
x = 20,875,658,205,850,988,544/4,813,566,625.68 - Step 6: Final answer
x = 4,336,837,906.11
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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.