Finding the Fourth Proportional to 402,703,566.91, 555,416,091.72 and 261,620,244.09
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Solution
The fourth proportional to 402,703,566.91, 555,416,091.72 and 261,620,244.09 is: 360,831,404.11
Step by Step Solution
- Step 1: Write the proportion equation
402,703,566.91 : 555,416,091.72 = 261,620,244.09 : x - Step 2: Convert to fraction form
402,703,566.91/555,416,091.72 = 261,620,244.09/x - Step 3: Cross multiply
402,703,566.91x = 555,416,091.72 × 261,620,244.09 - Step 4: Simplify right side
402,703,566.91x = 145,308,093,487,300,224 - Step 5: Solve for x
x = 145,308,093,487,300,224/402,703,566.91 - Step 6: Final answer
x = 360,831,404.11
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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.