Finding the Fourth Proportional to 443,135,794.68, 611,495,371.98 and 244,894,917.24
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Solution
The fourth proportional to 443,135,794.68, 611,495,371.98 and 244,894,917.24 is: 337,937,287.65
Step by Step Solution
- Step 1: Write the proportion equation
443,135,794.68 : 611,495,371.98 = 244,894,917.24 : x - Step 2: Convert to fraction form
443,135,794.68/611,495,371.98 = 244,894,917.24/x - Step 3: Cross multiply
443,135,794.68x = 611,495,371.98 × 244,894,917.24 - Step 4: Simplify right side
443,135,794.68x = 149,752,108,513,685,120 - Step 5: Solve for x
x = 149,752,108,513,685,120/443,135,794.68 - Step 6: Final answer
x = 337,937,287.65
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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.