Finding the Fourth Proportional to 464,840,938.68, 641,472,744.06 and 256,016,512.14
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Solution
The fourth proportional to 464,840,938.68, 641,472,744.06 and 256,016,512.14 is: 353,298,517.63
Step by Step Solution
- Step 1: Write the proportion equation
464,840,938.68 : 641,472,744.06 = 256,016,512.14 : x - Step 2: Convert to fraction form
464,840,938.68/641,472,744.06 = 256,016,512.14/x - Step 3: Cross multiply
464,840,938.68x = 641,472,744.06 × 256,016,512.14 - Step 4: Simplify right side
464,840,938.68x = 164,227,614,567,116,064 - Step 5: Solve for x
x = 164,227,614,567,116,064/464,840,938.68 - Step 6: Final answer
x = 353,298,517.63
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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.