Finding the Fourth Proportional to 664,306,225.20, 996,459,337.80 and 492,119,341.20
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Solution
The fourth proportional to 664,306,225.20, 996,459,337.80 and 492,119,341.20 is: 738,179,011.80
Step by Step Solution
- Step 1: Write the proportion equation
664,306,225.20 : 996,459,337.80 = 492,119,341.20 : x - Step 2: Convert to fraction form
664,306,225.20/996,459,337.80 = 492,119,341.20/x - Step 3: Cross multiply
664,306,225.20x = 996,459,337.80 × 492,119,341.20 - Step 4: Simplify right side
664,306,225.20x = 490,376,912,850,724,224 - Step 5: Solve for x
x = 490,376,912,850,724,224/664,306,225.20 - Step 6: Final answer
x = 738,179,011.80
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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.