Finding the Fourth Proportional to 370,381,416.96, 511,079,377.08 and 203,073,651.48
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Solution
The fourth proportional to 370,381,416.96, 511,079,377.08 and 203,073,651.48 is: 280,215,881.65
Step by Step Solution
- Step 1: Write the proportion equation
370,381,416.96 : 511,079,377.08 = 203,073,651.48 : x - Step 2: Convert to fraction form
370,381,416.96/511,079,377.08 = 203,073,651.48/x - Step 3: Cross multiply
370,381,416.96x = 511,079,377.08 × 203,073,651.48 - Step 4: Simplify right side
370,381,416.96x = 103,786,755,299,759,408 - Step 5: Solve for x
x = 103,786,755,299,759,408/370,381,416.96 - Step 6: Final answer
x = 280,215,881.65
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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.