Finding the Fourth Proportional to 332,208,920.08, 455,118,605.66 and 319,788,493.84
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Solution
The fourth proportional to 332,208,920.08, 455,118,605.66 and 319,788,493.84 is: 438,102,906.41
Step by Step Solution
- Step 1: Write the proportion equation
332,208,920.08 : 455,118,605.66 = 319,788,493.84 : x - Step 2: Convert to fraction form
332,208,920.08/455,118,605.66 = 319,788,493.84/x - Step 3: Cross multiply
332,208,920.08x = 455,118,605.66 × 319,788,493.84 - Step 4: Simplify right side
332,208,920.08x = 145,541,693,422,572,288 - Step 5: Solve for x
x = 145,541,693,422,572,288/332,208,920.08 - Step 6: Final answer
x = 438,102,906.41
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.