Finding the Fourth Proportional to 1,358,577,907.43, 2,037,530,281.79 and 582,135,520.55
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Solution
The fourth proportional to 1,358,577,907.43, 2,037,530,281.79 and 582,135,520.55 is: 873,059,060.32
Step by Step Solution
- Step 1: Write the proportion equation
1,358,577,907.43 : 2,037,530,281.79 = 582,135,520.55 : x - Step 2: Convert to fraction form
1,358,577,907.43/2,037,530,281.79 = 582,135,520.55/x - Step 3: Cross multiply
1,358,577,907.43x = 2,037,530,281.79 × 582,135,520.55 - Step 4: Simplify right side
1,358,577,907.43x = 1,186,118,751,226,209,792 - Step 5: Solve for x
x = 1,186,118,751,226,209,792/1,358,577,907.43 - Step 6: Final answer
x = 873,059,060.32
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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.