Finding the Fourth Proportional to 343,328,528.20, 514,992,792.30 and 305,705,129.80
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Solution
The fourth proportional to 343,328,528.20, 514,992,792.30 and 305,705,129.80 is: 458,557,694.70
Step by Step Solution
- Step 1: Write the proportion equation
343,328,528.20 : 514,992,792.30 = 305,705,129.80 : x - Step 2: Convert to fraction form
343,328,528.20/514,992,792.30 = 305,705,129.80/x - Step 3: Cross multiply
343,328,528.20x = 514,992,792.30 × 305,705,129.80 - Step 4: Simplify right side
343,328,528.20x = 157,435,938,416,135,936 - Step 5: Solve for x
x = 157,435,938,416,135,936/343,328,528.20 - Step 6: Final answer
x = 458,557,694.70
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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.