Finding the Fourth Proportional to 328,844,935.24, 453,864,482.42 and 196,700,469.84
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Solution
The fourth proportional to 328,844,935.24, 453,864,482.42 and 196,700,469.84 is: 271,481,623.61
Step by Step Solution
- Step 1: Write the proportion equation
328,844,935.24 : 453,864,482.42 = 196,700,469.84 : x - Step 2: Convert to fraction form
328,844,935.24/453,864,482.42 = 196,700,469.84/x - Step 3: Cross multiply
328,844,935.24x = 453,864,482.42 × 196,700,469.84 - Step 4: Simplify right side
328,844,935.24x = 89,275,356,935,702,432 - Step 5: Solve for x
x = 89,275,356,935,702,432/328,844,935.24 - Step 6: Final answer
x = 271,481,623.61
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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.