Finding the Fourth Proportional to 272,957,799.60, 409,436,699.40 and 195,473,701.80
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Solution
The fourth proportional to 272,957,799.60, 409,436,699.40 and 195,473,701.80 is: 293,210,552.70
Step by Step Solution
- Step 1: Write the proportion equation
272,957,799.60 : 409,436,699.40 = 195,473,701.80 : x - Step 2: Convert to fraction form
272,957,799.60/409,436,699.40 = 195,473,701.80/x - Step 3: Cross multiply
272,957,799.60x = 409,436,699.40 × 195,473,701.80 - Step 4: Simplify right side
272,957,799.60x = 80,034,107,284,491,840 - Step 5: Solve for x
x = 80,034,107,284,491,840/272,957,799.60 - Step 6: Final answer
x = 293,210,552.70
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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.