Finding the Fourth Proportional to 783,999,615.22, 1,176,176,592.06 and 259,367,486.56
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Solution
The fourth proportional to 783,999,615.22, 1,176,176,592.06 and 259,367,486.56 is: 389,109,842.03
Step by Step Solution
- Step 1: Write the proportion equation
783,999,615.22 : 1,176,176,592.06 = 259,367,486.56 : x - Step 2: Convert to fraction form
783,999,615.22/1,176,176,592.06 = 259,367,486.56/x - Step 3: Cross multiply
783,999,615.22x = 1,176,176,592.06 × 259,367,486.56 - Step 4: Simplify right side
783,999,615.22x = 305,061,966,433,308,672 - Step 5: Solve for x
x = 305,061,966,433,308,672/783,999,615.22 - Step 6: Final answer
x = 389,109,842.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.