Finding the Fourth Proportional to 4,920,355,463.84, 6,790,086,153.28 and 2,777,413,187.52
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Solution
The fourth proportional to 4,920,355,463.84, 6,790,086,153.28 and 2,777,413,187.52 is: 3,832,827,722.53
Step by Step Solution
- Step 1: Write the proportion equation
4,920,355,463.84 : 6,790,086,153.28 = 2,777,413,187.52 : x - Step 2: Convert to fraction form
4,920,355,463.84/6,790,086,153.28 = 2,777,413,187.52/x - Step 3: Cross multiply
4,920,355,463.84x = 6,790,086,153.28 × 2,777,413,187.52 - Step 4: Simplify right side
4,920,355,463.84x = 18,858,874,826,516,819,968 - Step 5: Solve for x
x = 18,858,874,826,516,819,968/4,920,355,463.84 - Step 6: Final answer
x = 3,832,827,722.53
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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.