Finding the Fourth Proportional to 289,655,489.70, 434,987,119.35 and 153,606,593.70
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Solution
The fourth proportional to 289,655,489.70, 434,987,119.35 and 153,606,593.70 is: 230,677,104.64
Step by Step Solution
- Step 1: Write the proportion equation
289,655,489.70 : 434,987,119.35 = 153,606,593.70 : x - Step 2: Convert to fraction form
289,655,489.70/434,987,119.35 = 153,606,593.70/x - Step 3: Cross multiply
289,655,489.70x = 434,987,119.35 × 153,606,593.70 - Step 4: Simplify right side
289,655,489.70x = 66,816,889,706,728,856 - Step 5: Solve for x
x = 66,816,889,706,728,856/289,655,489.70 - Step 6: Final answer
x = 230,677,104.64
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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.