Finding the Fourth Proportional to 936,203,634.74, 1,404,370,979.52 and 375,965,378.53
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Solution
The fourth proportional to 936,203,634.74, 1,404,370,979.52 and 375,965,378.53 is: 563,974,382.62
Step by Step Solution
- Step 1: Write the proportion equation
936,203,634.74 : 1,404,370,979.52 = 375,965,378.53 : x - Step 2: Convert to fraction form
936,203,634.74/1,404,370,979.52 = 375,965,378.53/x - Step 3: Cross multiply
936,203,634.74x = 1,404,370,979.52 × 375,965,378.53 - Step 4: Simplify right side
936,203,634.74x = 527,994,866,904,761,792 - Step 5: Solve for x
x = 527,994,866,904,761,792/936,203,634.74 - Step 6: Final answer
x = 563,974,382.62
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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.