Finding the Fourth Proportional to 463,713,414.70, 639,929,455.95 and 252,020,244.21
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Solution
The fourth proportional to 463,713,414.70, 639,929,455.95 and 252,020,244.21 is: 347,790,623.82
Step by Step Solution
- Step 1: Write the proportion equation
463,713,414.70 : 639,929,455.95 = 252,020,244.21 : x - Step 2: Convert to fraction form
463,713,414.70/639,929,455.95 = 252,020,244.21/x - Step 3: Cross multiply
463,713,414.70x = 639,929,455.95 × 252,020,244.21 - Step 4: Simplify right side
463,713,414.70x = 161,275,177,769,636,608 - Step 5: Solve for x
x = 161,275,177,769,636,608/463,713,414.70 - Step 6: Final answer
x = 347,790,623.82
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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.