Finding the Fourth Proportional to 2,514,457,862.20, 3,772,270,383.12 and 856,379,512.42
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Solution
The fourth proportional to 2,514,457,862.20, 3,772,270,383.12 and 856,379,512.42 is: 1,284,768,028.92
Step by Step Solution
- Step 1: Write the proportion equation
2,514,457,862.20 : 3,772,270,383.12 = 856,379,512.42 : x - Step 2: Convert to fraction form
2,514,457,862.20/3,772,270,383.12 = 856,379,512.42/x - Step 3: Cross multiply
2,514,457,862.20x = 3,772,270,383.12 × 856,379,512.42 - Step 4: Simplify right side
2,514,457,862.20x = 3,230,495,071,412,711,936 - Step 5: Solve for x
x = 3,230,495,071,412,711,936/2,514,457,862.20 - Step 6: Final answer
x = 1,284,768,028.92
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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.