Finding the Fourth Proportional to 5,659,393,977.60, 8,481,028,809.60 and 4,173,941,587.20
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Solution
The fourth proportional to 5,659,393,977.60, 8,481,028,809.60 and 4,173,941,587.20 is: 6,254,966,342.82
Step by Step Solution
- Step 1: Write the proportion equation
5,659,393,977.60 : 8,481,028,809.60 = 4,173,941,587.20 : x - Step 2: Convert to fraction form
5,659,393,977.60/8,481,028,809.60 = 4,173,941,587.20/x - Step 3: Cross multiply
5,659,393,977.60x = 8,481,028,809.60 × 4,173,941,587.20 - Step 4: Simplify right side
5,659,393,977.60x = 35,399,318,850,630,750,208 - Step 5: Solve for x
x = 35,399,318,850,630,750,208/5,659,393,977.60 - Step 6: Final answer
x = 6,254,966,342.82
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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.