Finding the Fourth Proportional to 695,890,821.80, 1,043,836,232.70 and 466,567,250.60
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Solution
The fourth proportional to 695,890,821.80, 1,043,836,232.70 and 466,567,250.60 is: 699,850,875.90
Step by Step Solution
- Step 1: Write the proportion equation
695,890,821.80 : 1,043,836,232.70 = 466,567,250.60 : x - Step 2: Convert to fraction form
695,890,821.80/1,043,836,232.70 = 466,567,250.60/x - Step 3: Cross multiply
695,890,821.80x = 1,043,836,232.70 × 466,567,250.60 - Step 4: Simplify right side
695,890,821.80x = 487,019,801,167,500,864 - Step 5: Solve for x
x = 487,019,801,167,500,864/695,890,821.80 - Step 6: Final answer
x = 699,850,875.90
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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.