Finding the Fourth Proportional to 284,759,733.56, 392,983,690.20 and 159,304,445.48
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Solution
The fourth proportional to 284,759,733.56, 392,983,690.20 and 159,304,445.48 is: 219,848,670.55
Step by Step Solution
- Step 1: Write the proportion equation
284,759,733.56 : 392,983,690.20 = 159,304,445.48 : x - Step 2: Convert to fraction form
284,759,733.56/392,983,690.20 = 159,304,445.48/x - Step 3: Cross multiply
284,759,733.56x = 392,983,690.20 × 159,304,445.48 - Step 4: Simplify right side
284,759,733.56x = 62,604,048,849,995,104 - Step 5: Solve for x
x = 62,604,048,849,995,104/284,759,733.56 - Step 6: Final answer
x = 219,848,670.55
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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.