Finding the Fourth Proportional to 342,553,511.16, 472,642,821 and 193,874,628.96
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Solution
The fourth proportional to 342,553,511.16, 472,642,821 and 193,874,628.96 is: 267,501,130.67
Step by Step Solution
- Step 1: Write the proportion equation
342,553,511.16 : 472,642,821 = 193,874,628.96 : x - Step 2: Convert to fraction form
342,553,511.16/472,642,821 = 193,874,628.96/x - Step 3: Cross multiply
342,553,511.16x = 472,642,821 × 193,874,628.96 - Step 4: Simplify right side
342,553,511.16x = 91,633,451,551,982,704 - Step 5: Solve for x
x = 91,633,451,551,982,704/342,553,511.16 - Step 6: Final answer
x = 267,501,130.67
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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.