Finding the Fourth Proportional to 386,177,819.27, 532,943,610.05 and 218,917,322.26
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Solution
The fourth proportional to 386,177,819.27, 532,943,610.05 and 218,917,322.26 is: 302,116,233.00
Step by Step Solution
- Step 1: Write the proportion equation
386,177,819.27 : 532,943,610.05 = 218,917,322.26 : x - Step 2: Convert to fraction form
386,177,819.27/532,943,610.05 = 218,917,322.26/x - Step 3: Cross multiply
386,177,819.27x = 532,943,610.05 × 218,917,322.26 - Step 4: Simplify right side
386,177,819.27x = 116,670,588,027,723,616 - Step 5: Solve for x
x = 116,670,588,027,723,616/386,177,819.27 - Step 6: Final answer
x = 302,116,233.00
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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.