Finding the Fourth Proportional to 214,430,216.88, 295,166,624.76 and 186,880,782
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Solution
The fourth proportional to 214,430,216.88, 295,166,624.76 and 186,880,782 is: 257,244,386.81
Step by Step Solution
- Step 1: Write the proportion equation
214,430,216.88 : 295,166,624.76 = 186,880,782 : x - Step 2: Convert to fraction form
214,430,216.88/295,166,624.76 = 186,880,782/x - Step 3: Cross multiply
214,430,216.88x = 295,166,624.76 × 186,880,782 - Step 4: Simplify right side
214,430,216.88x = 55,160,969,655,449,360 - Step 5: Solve for x
x = 55,160,969,655,449,360/214,430,216.88 - Step 6: Final answer
x = 257,244,386.81
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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.