Finding the Fourth Proportional to 84,531,288,343.68, 126,831,689,415.36 and 37,342,857,536.64
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Solution
The fourth proportional to 84,531,288,343.68, 126,831,689,415.36 and 37,342,857,536.64 is: 56,029,640,642.80
Step by Step Solution
- Step 1: Write the proportion equation
84,531,288,343.68 : 126,831,689,415.36 = 37,342,857,536.64 : x - Step 2: Convert to fraction form
84,531,288,343.68/126,831,689,415.36 = 37,342,857,536.64/x - Step 3: Cross multiply
84,531,288,343.68x = 126,831,689,415.36 × 37,342,857,536.64 - Step 4: Simplify right side
84,531,288,343.68x = 4,736,257,708,969,159,557,120 - Step 5: Solve for x
x = 4,736,257,708,969,159,557,120/84,531,288,343.68 - Step 6: Final answer
x = 56,029,640,642.80
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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.