Finding the Fourth Proportional to 328,427,539.68, 453,231,205.90 and 177,720,196.88
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Solution
The fourth proportional to 328,427,539.68, 453,231,205.90 and 177,720,196.88 is: 245,254,521.66
Step by Step Solution
- Step 1: Write the proportion equation
328,427,539.68 : 453,231,205.90 = 177,720,196.88 : x - Step 2: Convert to fraction form
328,427,539.68/453,231,205.90 = 177,720,196.88/x - Step 3: Cross multiply
328,427,539.68x = 453,231,205.90 × 177,720,196.88 - Step 4: Simplify right side
328,427,539.68x = 80,548,339,144,707,808 - Step 5: Solve for x
x = 80,548,339,144,707,808/328,427,539.68 - Step 6: Final answer
x = 245,254,521.66
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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.