Finding the Fourth Proportional to 512,037,779.05, 706,612,135.98 and 277,088,439.39
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Solution
The fourth proportional to 512,037,779.05, 706,612,135.98 and 277,088,439.39 is: 382,382,046.84
Step by Step Solution
- Step 1: Write the proportion equation
512,037,779.05 : 706,612,135.98 = 277,088,439.39 : x - Step 2: Convert to fraction form
512,037,779.05/706,612,135.98 = 277,088,439.39/x - Step 3: Cross multiply
512,037,779.05x = 706,612,135.98 × 277,088,439.39 - Step 4: Simplify right side
512,037,779.05x = 195,794,054,012,732,672 - Step 5: Solve for x
x = 195,794,054,012,732,672/512,037,779.05 - Step 6: Final answer
x = 382,382,046.84
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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.