Finding the Fourth Proportional to 339,737,116.26, 468,829,869.49 and 196,688,910.94
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Solution
The fourth proportional to 339,737,116.26, 468,829,869.49 and 196,688,910.94 is: 271,426,441.31
Step by Step Solution
- Step 1: Write the proportion equation
339,737,116.26 : 468,829,869.49 = 196,688,910.94 : x - Step 2: Convert to fraction form
339,737,116.26/468,829,869.49 = 196,688,910.94/x - Step 3: Cross multiply
339,737,116.26x = 468,829,869.49 × 196,688,910.94 - Step 4: Simplify right side
339,737,116.26x = 92,213,636,446,130,432 - Step 5: Solve for x
x = 92,213,636,446,130,432/339,737,116.26 - Step 6: Final answer
x = 271,426,441.31
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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.