Finding the Fourth Proportional to 664,234,117.20, 996,351,175.80 and 179,559,925.20
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Solution
The fourth proportional to 664,234,117.20, 996,351,175.80 and 179,559,925.20 is: 269,339,887.80
Step by Step Solution
- Step 1: Write the proportion equation
664,234,117.20 : 996,351,175.80 = 179,559,925.20 : x - Step 2: Convert to fraction form
664,234,117.20/996,351,175.80 = 179,559,925.20/x - Step 3: Cross multiply
664,234,117.20x = 996,351,175.80 × 179,559,925.20 - Step 4: Simplify right side
664,234,117.20x = 178,904,742,599,580,032 - Step 5: Solve for x
x = 178,904,742,599,580,032/664,234,117.20 - Step 6: Final answer
x = 269,339,887.80
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Similar ratio
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1.5x scale
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.