Finding the Fourth Proportional to 379,935,700.20, 524,313,207.36 and 214,919,726.76
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Solution
The fourth proportional to 379,935,700.20, 524,313,207.36 and 214,919,726.76 is: 296,590,320.95
Step by Step Solution
- Step 1: Write the proportion equation
379,935,700.20 : 524,313,207.36 = 214,919,726.76 : x - Step 2: Convert to fraction form
379,935,700.20/524,313,207.36 = 214,919,726.76/x - Step 3: Cross multiply
379,935,700.20x = 524,313,207.36 × 214,919,726.76 - Step 4: Simplify right side
379,935,700.20x = 112,685,251,262,470,416 - Step 5: Solve for x
x = 112,685,251,262,470,416/379,935,700.20 - Step 6: Final answer
x = 296,590,320.95
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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.