Finding the Fourth Proportional to 442,874,117.10, 664,311,175.65 and 197,230,277.10
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Solution
The fourth proportional to 442,874,117.10, 664,311,175.65 and 197,230,277.10 is: 295,845,415.65
Step by Step Solution
- Step 1: Write the proportion equation
442,874,117.10 : 664,311,175.65 = 197,230,277.10 : x - Step 2: Convert to fraction form
442,874,117.10/664,311,175.65 = 197,230,277.10/x - Step 3: Cross multiply
442,874,117.10x = 664,311,175.65 × 197,230,277.10 - Step 4: Simplify right side
442,874,117.10x = 131,022,277,254,076,256 - Step 5: Solve for x
x = 131,022,277,254,076,256/442,874,117.10 - Step 6: Final answer
x = 295,845,415.65
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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.