Finding the Fourth Proportional to 7,176,619,883.16, 9,903,737,230.74 and 3,961,531,672.92
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Solution
The fourth proportional to 7,176,619,883.16, 9,903,737,230.74 and 3,961,531,672.92 is: 5,466,914,697.81
Step by Step Solution
- Step 1: Write the proportion equation
7,176,619,883.16 : 9,903,737,230.74 = 3,961,531,672.92 : x - Step 2: Convert to fraction form
7,176,619,883.16/9,903,737,230.74 = 3,961,531,672.92/x - Step 3: Cross multiply
7,176,619,883.16x = 9,903,737,230.74 × 3,961,531,672.92 - Step 4: Simplify right side
7,176,619,883.16x = 39,233,968,719,853,518,848 - Step 5: Solve for x
x = 39,233,968,719,853,518,848/7,176,619,883.16 - Step 6: Final answer
x = 5,466,914,697.81
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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.