Finding the Fourth Proportional to 427,770,915.16, 640,551,293.88 and 295,232,742.24
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Solution
The fourth proportional to 427,770,915.16, 640,551,293.88 and 295,232,742.24 is: 442,086,426.02
Step by Step Solution
- Step 1: Write the proportion equation
427,770,915.16 : 640,551,293.88 = 295,232,742.24 : x - Step 2: Convert to fraction form
427,770,915.16/640,551,293.88 = 295,232,742.24/x - Step 3: Cross multiply
427,770,915.16x = 640,551,293.88 × 295,232,742.24 - Step 4: Simplify right side
427,770,915.16x = 189,111,715,037,697,760 - Step 5: Solve for x
x = 189,111,715,037,697,760/427,770,915.16 - Step 6: Final answer
x = 442,086,426.02
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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.