Finding the Fourth Proportional to 1,102,741,739.20, 1,652,097,069.60 and 897,156,740.80
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Solution
The fourth proportional to 1,102,741,739.20, 1,652,097,069.60 and 897,156,740.80 is: 1,344,095,330.54
Step by Step Solution
- Step 1: Write the proportion equation
1,102,741,739.20 : 1,652,097,069.60 = 897,156,740.80 : x - Step 2: Convert to fraction form
1,102,741,739.20/1,652,097,069.60 = 897,156,740.80/x - Step 3: Cross multiply
1,102,741,739.20x = 1,652,097,069.60 × 897,156,740.80 - Step 4: Simplify right side
1,102,741,739.20x = 1,482,190,022,447,566,592 - Step 5: Solve for x
x = 1,482,190,022,447,566,592/1,102,741,739.20 - Step 6: Final answer
x = 1,344,095,330.54
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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.