Finding the Fourth Proportional to 664,306,329.20, 996,459,493.80 and 276,407,543.30
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Solution
The fourth proportional to 664,306,329.20, 996,459,493.80 and 276,407,543.30 is: 414,611,314.95
Step by Step Solution
- Step 1: Write the proportion equation
664,306,329.20 : 996,459,493.80 = 276,407,543.30 : x - Step 2: Convert to fraction form
664,306,329.20/996,459,493.80 = 276,407,543.30/x - Step 3: Cross multiply
664,306,329.20x = 996,459,493.80 × 276,407,543.30 - Step 4: Simplify right side
664,306,329.20x = 275,428,920,679,219,584 - Step 5: Solve for x
x = 275,428,920,679,219,584/664,306,329.20 - Step 6: Final answer
x = 414,611,314.95
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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.