Finding the Fourth Proportional to 588,869,701.08, 812,672,145.18 and 337,972,087.05
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Solution
The fourth proportional to 588,869,701.08, 812,672,145.18 and 337,972,087.05 is: 466,419,821.72
Step by Step Solution
- Step 1: Write the proportion equation
588,869,701.08 : 812,672,145.18 = 337,972,087.05 : x - Step 2: Convert to fraction form
588,869,701.08/812,672,145.18 = 337,972,087.05/x - Step 3: Cross multiply
588,869,701.08x = 812,672,145.18 × 337,972,087.05 - Step 4: Simplify right side
588,869,701.08x = 274,660,500,993,885,184 - Step 5: Solve for x
x = 274,660,500,993,885,184/588,869,701.08 - Step 6: Final answer
x = 466,419,821.72
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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.