Finding the Fourth Proportional to 634,920,398.66, 952,383,808.70 and 198,184,472.84
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Solution
The fourth proportional to 634,920,398.66, 952,383,808.70 and 198,184,472.84 is: 297,277,711.45
Step by Step Solution
- Step 1: Write the proportion equation
634,920,398.66 : 952,383,808.70 = 198,184,472.84 : x - Step 2: Convert to fraction form
634,920,398.66/952,383,808.70 = 198,184,472.84/x - Step 3: Cross multiply
634,920,398.66x = 952,383,808.70 × 198,184,472.84 - Step 4: Simplify right side
634,920,398.66x = 188,747,683,062,808,096 - Step 5: Solve for x
x = 188,747,683,062,808,096/634,920,398.66 - Step 6: Final answer
x = 297,277,711.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.