Finding the Fourth Proportional to 1,153,101,216.24, 1,591,271,754.84 and 624,453,104.88
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Solution
The fourth proportional to 1,153,101,216.24, 1,591,271,754.84 and 624,453,104.88 is: 861,740,993.79
Step by Step Solution
- Step 1: Write the proportion equation
1,153,101,216.24 : 1,591,271,754.84 = 624,453,104.88 : x - Step 2: Convert to fraction form
1,153,101,216.24/1,591,271,754.84 = 624,453,104.88/x - Step 3: Cross multiply
1,153,101,216.24x = 1,591,271,754.84 × 624,453,104.88 - Step 4: Simplify right side
1,153,101,216.24x = 993,674,588,017,684,096 - Step 5: Solve for x
x = 993,674,588,017,684,096/1,153,101,216.24 - Step 6: Final answer
x = 861,740,993.79
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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.