Finding the Fourth Proportional to 356,579,488.80, 534,869,233.20 and 325,968,487.20
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Solution
The fourth proportional to 356,579,488.80, 534,869,233.20 and 325,968,487.20 is: 488,952,730.80
Step by Step Solution
- Step 1: Write the proportion equation
356,579,488.80 : 534,869,233.20 = 325,968,487.20 : x - Step 2: Convert to fraction form
356,579,488.80/534,869,233.20 = 325,968,487.20/x - Step 3: Cross multiply
356,579,488.80x = 534,869,233.20 × 325,968,487.20 - Step 4: Simplify right side
356,579,488.80x = 174,350,514,796,028,000 - Step 5: Solve for x
x = 174,350,514,796,028,000/356,579,488.80 - Step 6: Final answer
x = 488,952,730.80
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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.