Finding the Fourth Proportional to 888,157,512.44, 1,225,608,809.97 and 486,193,500.75
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Solution
The fourth proportional to 888,157,512.44, 1,225,608,809.97 and 486,193,500.75 is: 670,920,449.95
Step by Step Solution
- Step 1: Write the proportion equation
888,157,512.44 : 1,225,608,809.97 = 486,193,500.75 : x - Step 2: Convert to fraction form
888,157,512.44/1,225,608,809.97 = 486,193,500.75/x - Step 3: Cross multiply
888,157,512.44x = 1,225,608,809.97 × 486,193,500.75 - Step 4: Simplify right side
888,157,512.44x = 595,883,037,869,355,776 - Step 5: Solve for x
x = 595,883,037,869,355,776/888,157,512.44 - Step 6: Final answer
x = 670,920,449.95
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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.