Finding the Fourth Proportional to 406,010,917.11, 560,280,062.46 and 220,367,946.99
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Solution
The fourth proportional to 406,010,917.11, 560,280,062.46 and 220,367,946.99 is: 304,099,623.68
Step by Step Solution
- Step 1: Write the proportion equation
406,010,917.11 : 560,280,062.46 = 220,367,946.99 : x - Step 2: Convert to fraction form
406,010,917.11/560,280,062.46 = 220,367,946.99/x - Step 3: Cross multiply
406,010,917.11x = 560,280,062.46 × 220,367,946.99 - Step 4: Simplify right side
406,010,917.11x = 123,467,767,103,739,184 - Step 5: Solve for x
x = 123,467,767,103,739,184/406,010,917.11 - Step 6: Final answer
x = 304,099,623.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.