Finding the Fourth Proportional to 1,149,696,535.40, 1,724,544,803.10 and 331,835,517.80
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Solution
The fourth proportional to 1,149,696,535.40, 1,724,544,803.10 and 331,835,517.80 is: 497,753,276.70
Step by Step Solution
- Step 1: Write the proportion equation
1,149,696,535.40 : 1,724,544,803.10 = 331,835,517.80 : x - Step 2: Convert to fraction form
1,149,696,535.40/1,724,544,803.10 = 331,835,517.80/x - Step 3: Cross multiply
1,149,696,535.40x = 1,724,544,803.10 × 331,835,517.80 - Step 4: Simplify right side
1,149,696,535.40x = 572,265,217,705,987,520 - Step 5: Solve for x
x = 572,265,217,705,987,520/1,149,696,535.40 - Step 6: Final answer
x = 497,753,276.70
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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.