Finding the Fourth Proportional to 312,079,483.94, 430,676,646.84 and 178,114,713.18
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Solution
The fourth proportional to 312,079,483.94, 430,676,646.84 and 178,114,713.18 is: 245,802,275.94
Step by Step Solution
- Step 1: Write the proportion equation
312,079,483.94 : 430,676,646.84 = 178,114,713.18 : x - Step 2: Convert to fraction form
312,079,483.94/430,676,646.84 = 178,114,713.18/x - Step 3: Cross multiply
312,079,483.94x = 430,676,646.84 × 178,114,713.18 - Step 4: Simplify right side
312,079,483.94x = 76,709,847,425,230,752 - Step 5: Solve for x
x = 76,709,847,425,230,752/312,079,483.94 - Step 6: Final answer
x = 245,802,275.94
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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.