Finding the Fourth Proportional to 352,578,272,976.82, 528,092,204,777.79 and 291,378,964,965.94
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Solution
The fourth proportional to 352,578,272,976.82, 528,092,204,777.79 and 291,378,964,965.94 is: 436,427,800,089.80
Step by Step Solution
- Step 1: Write the proportion equation
352,578,272,976.82 : 528,092,204,777.79 = 291,378,964,965.94 : x - Step 2: Convert to fraction form
352,578,272,976.82/528,092,204,777.79 = 291,378,964,965.94/x - Step 3: Cross multiply
352,578,272,976.82x = 528,092,204,777.79 × 291,378,964,965.94 - Step 4: Simplify right side
352,578,272,976.82x = 153,874,960,034,733,678,919,680 - Step 5: Solve for x
x = 153,874,960,034,733,678,919,680/352,578,272,976.82 - Step 6: Final answer
x = 436,427,800,089.80
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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.