Finding the Fourth Proportional to 1,474,373,434.15, 2,034,623,247.57 and 805,318,905.70
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Solution
The fourth proportional to 1,474,373,434.15, 2,034,623,247.57 and 805,318,905.70 is: 1,111,333,485.33
Step by Step Solution
- Step 1: Write the proportion equation
1,474,373,434.15 : 2,034,623,247.57 = 805,318,905.70 : x - Step 2: Convert to fraction form
1,474,373,434.15/2,034,623,247.57 = 805,318,905.70/x - Step 3: Cross multiply
1,474,373,434.15x = 2,034,623,247.57 × 805,318,905.70 - Step 4: Simplify right side
1,474,373,434.15x = 1,638,520,567,244,852,736 - Step 5: Solve for x
x = 1,638,520,567,244,852,736/1,474,373,434.15 - Step 6: Final answer
x = 1,111,333,485.33
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1.5x scale
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.