Finding the Fourth Proportional to 305,303,073.60, 457,713,753.12 and 151,865,382.72
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Solution
The fourth proportional to 305,303,073.60, 457,713,753.12 and 151,865,382.72 is: 227,678,265.65
Step by Step Solution
- Step 1: Write the proportion equation
305,303,073.60 : 457,713,753.12 = 151,865,382.72 : x - Step 2: Convert to fraction form
305,303,073.60/457,713,753.12 = 151,865,382.72/x - Step 3: Cross multiply
305,303,073.60x = 457,713,753.12 × 151,865,382.72 - Step 4: Simplify right side
305,303,073.60x = 69,510,874,293,776,392 - Step 5: Solve for x
x = 69,510,874,293,776,392/305,303,073.60 - Step 6: Final answer
x = 227,678,265.65
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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.