Finding the Fourth Proportional to 664,401,685.05, 996,371,738.21 and 369,746,461.53
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Solution
The fourth proportional to 664,401,685.05, 996,371,738.21 and 369,746,461.53 is: 554,491,255.61
Step by Step Solution
- Step 1: Write the proportion equation
664,401,685.05 : 996,371,738.21 = 369,746,461.53 : x - Step 2: Convert to fraction form
664,401,685.05/996,371,738.21 = 369,746,461.53/x - Step 3: Cross multiply
664,401,685.05x = 996,371,738.21 × 369,746,461.53 - Step 4: Simplify right side
664,401,685.05x = 368,404,924,572,567,296 - Step 5: Solve for x
x = 368,404,924,572,567,296/664,401,685.05 - Step 6: Final answer
x = 554,491,255.61
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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.