Finding the Fourth Proportional to 447,359,988.48, 670,728,010.08 and 198,229,747.68
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Solution
The fourth proportional to 447,359,988.48, 670,728,010.08 and 198,229,747.68 is: 297,206,383.28
Step by Step Solution
- Step 1: Write the proportion equation
447,359,988.48 : 670,728,010.08 = 198,229,747.68 : x - Step 2: Convert to fraction form
447,359,988.48/670,728,010.08 = 198,229,747.68/x - Step 3: Cross multiply
447,359,988.48x = 670,728,010.08 × 198,229,747.68 - Step 4: Simplify right side
447,359,988.48x = 132,958,244,200,066,912 - Step 5: Solve for x
x = 132,958,244,200,066,912/447,359,988.48 - Step 6: Final answer
x = 297,206,383.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.