Finding the Fourth Proportional to 579,207,381.80, 868,811,072.70 and 170,304,866.60
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Solution
The fourth proportional to 579,207,381.80, 868,811,072.70 and 170,304,866.60 is: 255,457,299.90
Step by Step Solution
- Step 1: Write the proportion equation
579,207,381.80 : 868,811,072.70 = 170,304,866.60 : x - Step 2: Convert to fraction form
579,207,381.80/868,811,072.70 = 170,304,866.60/x - Step 3: Cross multiply
579,207,381.80x = 868,811,072.70 × 170,304,866.60 - Step 4: Simplify right side
579,207,381.80x = 147,962,753,836,776,416 - Step 5: Solve for x
x = 147,962,753,836,776,416/579,207,381.80 - Step 6: Final answer
x = 255,457,299.90
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1.5x scale
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.