Finding the Fourth Proportional to 920,052,473.35, 1,380,509,675.46 and 453,459,540.32
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Solution
The fourth proportional to 920,052,473.35, 1,380,509,675.46 and 453,459,540.32 is: 680,401,717.27
Step by Step Solution
- Step 1: Write the proportion equation
920,052,473.35 : 1,380,509,675.46 = 453,459,540.32 : x - Step 2: Convert to fraction form
920,052,473.35/1,380,509,675.46 = 453,459,540.32/x - Step 3: Cross multiply
920,052,473.35x = 1,380,509,675.46 × 453,459,540.32 - Step 4: Simplify right side
920,052,473.35x = 626,005,282,841,404,032 - Step 5: Solve for x
x = 626,005,282,841,404,032/920,052,473.35 - Step 6: Final answer
x = 680,401,717.27
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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.