Finding the Fourth Proportional to 403,333,998.53, 605,000,997.79 and 199,260,654.53
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Solution
The fourth proportional to 403,333,998.53, 605,000,997.79 and 199,260,654.53 is: 298,890,981.79
Step by Step Solution
- Step 1: Write the proportion equation
403,333,998.53 : 605,000,997.79 = 199,260,654.53 : x - Step 2: Convert to fraction form
403,333,998.53/605,000,997.79 = 199,260,654.53/x - Step 3: Cross multiply
403,333,998.53x = 605,000,997.79 × 199,260,654.53 - Step 4: Simplify right side
403,333,998.53x = 120,552,894,807,415,328 - Step 5: Solve for x
x = 120,552,894,807,415,328/403,333,998.53 - Step 6: Final answer
x = 298,890,981.79
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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.