Finding the Fourth Proportional to 256,746,736.44, 385,105,929.18 and 187,730,265.24
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Solution
The fourth proportional to 256,746,736.44, 385,105,929.18 and 187,730,265.24 is: 281,585,032.91
Step by Step Solution
- Step 1: Write the proportion equation
256,746,736.44 : 385,105,929.18 = 187,730,265.24 : x - Step 2: Convert to fraction form
256,746,736.44/385,105,929.18 = 187,730,265.24/x - Step 3: Cross multiply
256,746,736.44x = 385,105,929.18 × 187,730,265.24 - Step 4: Simplify right side
256,746,736.44x = 72,296,038,230,458,064 - Step 5: Solve for x
x = 72,296,038,230,458,064/256,746,736.44 - Step 6: Final answer
x = 281,585,032.91
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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.