Finding the Fourth Proportional to 293,723,392.40, 405,919,612.18 and 240,716,512.14
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Solution
The fourth proportional to 293,723,392.40, 405,919,612.18 and 240,716,512.14 is: 332,665,207.41
Step by Step Solution
- Step 1: Write the proportion equation
293,723,392.40 : 405,919,612.18 = 240,716,512.14 : x - Step 2: Convert to fraction form
293,723,392.40/405,919,612.18 = 240,716,512.14/x - Step 3: Cross multiply
293,723,392.40x = 405,919,612.18 × 240,716,512.14 - Step 4: Simplify right side
293,723,392.40x = 97,711,553,253,191,056 - Step 5: Solve for x
x = 97,711,553,253,191,056/293,723,392.40 - Step 6: Final answer
x = 332,665,207.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.