Finding the Fourth Proportional to 3,126,431,093.76, 4,314,278,678.40 and 1,716,725,185.92
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Solution
The fourth proportional to 3,126,431,093.76, 4,314,278,678.40 and 1,716,725,185.92 is: 2,368,973,006.02
Step by Step Solution
- Step 1: Write the proportion equation
3,126,431,093.76 : 4,314,278,678.40 = 1,716,725,185.92 : x - Step 2: Convert to fraction form
3,126,431,093.76/4,314,278,678.40 = 1,716,725,185.92/x - Step 3: Cross multiply
3,126,431,093.76x = 4,314,278,678.40 × 1,716,725,185.92 - Step 4: Simplify right side
3,126,431,093.76x = 7,406,430,866,286,931,968 - Step 5: Solve for x
x = 7,406,430,866,286,931,968/3,126,431,093.76 - Step 6: Final answer
x = 2,368,973,006.02
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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.