Finding the Fourth Proportional to 284,866,517.84, 427,239,988.63 and 80,346,763.40
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Solution
The fourth proportional to 284,866,517.84, 427,239,988.63 and 80,346,763.40 is: 120,503,281.82
Step by Step Solution
- Step 1: Write the proportion equation
284,866,517.84 : 427,239,988.63 = 80,346,763.40 : x - Step 2: Convert to fraction form
284,866,517.84/427,239,988.63 = 80,346,763.40/x - Step 3: Cross multiply
284,866,517.84x = 427,239,988.63 × 80,346,763.40 - Step 4: Simplify right side
284,866,517.84x = 34,327,350,279,136,232 - Step 5: Solve for x
x = 34,327,350,279,136,232/284,866,517.84 - Step 6: Final answer
x = 120,503,281.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.