Finding the Fourth Proportional to 342,491,938.10, 472,638,877.71 and 185,859,044.84
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Solution
The fourth proportional to 342,491,938.10, 472,638,877.71 and 185,859,044.84 is: 256,485,483.58
Step by Step Solution
- Step 1: Write the proportion equation
342,491,938.10 : 472,638,877.71 = 185,859,044.84 : x - Step 2: Convert to fraction form
342,491,938.10/472,638,877.71 = 185,859,044.84/x - Step 3: Cross multiply
342,491,938.10x = 472,638,877.71 × 185,859,044.84 - Step 4: Simplify right side
342,491,938.10x = 87,844,210,365,430,160 - Step 5: Solve for x
x = 87,844,210,365,430,160/342,491,938.10 - Step 6: Final answer
x = 256,485,483.58
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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.