Finding the Fourth Proportional to 442,889,983.70, 664,331,476.35 and 115,364,863.70
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Solution
The fourth proportional to 442,889,983.70, 664,331,476.35 and 115,364,863.70 is: 173,046,384.07
Step by Step Solution
- Step 1: Write the proportion equation
442,889,983.70 : 664,331,476.35 = 115,364,863.70 : x - Step 2: Convert to fraction form
442,889,983.70/664,331,476.35 = 115,364,863.70/x - Step 3: Cross multiply
442,889,983.70x = 664,331,476.35 × 115,364,863.70 - Step 4: Simplify right side
442,889,983.70x = 76,640,510,220,737,536 - Step 5: Solve for x
x = 76,640,510,220,737,536/442,889,983.70 - Step 6: Final answer
x = 173,046,384.07
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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.