Finding the Fourth Proportional to 343,328,514.20, 514,992,771.30 and 305,705,115.80
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Solution
The fourth proportional to 343,328,514.20, 514,992,771.30 and 305,705,115.80 is: 458,557,673.70
Step by Step Solution
- Step 1: Write the proportion equation
343,328,514.20 : 514,992,771.30 = 305,705,115.80 : x - Step 2: Convert to fraction form
343,328,514.20/514,992,771.30 = 305,705,115.80/x - Step 3: Cross multiply
343,328,514.20x = 514,992,771.30 × 305,705,115.80 - Step 4: Simplify right side
343,328,514.20x = 157,435,924,786,429,440 - Step 5: Solve for x
x = 157,435,924,786,429,440/343,328,514.20 - Step 6: Final answer
x = 458,557,673.70
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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.