Finding the Fourth Proportional to 285,096,256.08, 393,432,817.32 and 154,716,064.08
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Solution
The fourth proportional to 285,096,256.08, 393,432,817.32 and 154,716,064.08 is: 213,508,159.71
Step by Step Solution
- Step 1: Write the proportion equation
285,096,256.08 : 393,432,817.32 = 154,716,064.08 : x - Step 2: Convert to fraction form
285,096,256.08/393,432,817.32 = 154,716,064.08/x - Step 3: Cross multiply
285,096,256.08x = 393,432,817.32 × 154,716,064.08 - Step 4: Simplify right side
285,096,256.08x = 60,870,376,975,656,056 - Step 5: Solve for x
x = 60,870,376,975,656,056/285,096,256.08 - Step 6: Final answer
x = 213,508,159.71
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1.5x scale
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.