Finding the Fourth Proportional to 360,943,714.26, 498,102,957.09 and 195,931,395.54
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Solution
The fourth proportional to 360,943,714.26, 498,102,957.09 and 195,931,395.54 is: 270,385,668.59
Step by Step Solution
- Step 1: Write the proportion equation
360,943,714.26 : 498,102,957.09 = 195,931,395.54 : x - Step 2: Convert to fraction form
360,943,714.26/498,102,957.09 = 195,931,395.54/x - Step 3: Cross multiply
360,943,714.26x = 498,102,957.09 × 195,931,395.54 - Step 4: Simplify right side
360,943,714.26x = 97,594,007,505,244,432 - Step 5: Solve for x
x = 97,594,007,505,244,432/360,943,714.26 - Step 6: Final answer
x = 270,385,668.59
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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.