Finding the Fourth Proportional to 2,880,288,550.80, 4,320,432,826.20 and 2,767,418,355.60
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Solution
The fourth proportional to 2,880,288,550.80, 4,320,432,826.20 and 2,767,418,355.60 is: 4,151,127,533.40
Step by Step Solution
- Step 1: Write the proportion equation
2,880,288,550.80 : 4,320,432,826.20 = 2,767,418,355.60 : x - Step 2: Convert to fraction form
2,880,288,550.80/4,320,432,826.20 = 2,767,418,355.60/x - Step 3: Cross multiply
2,880,288,550.80x = 4,320,432,826.20 × 2,767,418,355.60 - Step 4: Simplify right side
2,880,288,550.80x = 11,956,445,107,362,664,448 - Step 5: Solve for x
x = 11,956,445,107,362,664,448/2,880,288,550.80 - Step 6: Final answer
x = 4,151,127,533.40
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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.